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Jaguar has a new name for its global strategy that encompasses big changes to the Jaguar Land Rover vehicle lineup as the brands reposition themselves and transition to an electric future: Reimagine. The changes, announced in February, will result in a smaller, more focused portfolio in the interim.

No new Jaguars will be added to the current lineup until 2025, when the luxury car brand will go fully electric. Land Rover will take a longer path to electrification. The goal of 1 million global sales annually has been abandoned for a more realistic 400,000-450,000 units.

That means the company's U.S. product lineup will be forced to maintain the status quo for the next few years. What will the impact be in the near-term, and how will Jaguar and Land Rover customers adjust to the new offerings when they finally arrive? We turned to Joe Eberhard, president and CEO of Jaguar Land Rover North America for answers.

Eberhardt is well aware of the problem and the challenges. U.S. sales fell to 97,417 in 2020 from a peak of 125,787 in 2019—still better than the 2011 trough with only 50,375 vehicles sold. Sales did not drop off as much as expected during the pandemic and were showing signs of recovery until the semiconductor chip shortage and other issues affected production again.

The automaker is essentially out of inventory and sitting on a global order bank of almost 100,000 vehicles, mostly in Europe. In the U.S. vehicles are essentially sold as soon as they are unloaded from the truck. Eberhardt says the pain of shortages is being shared equally; the U.S. is not suffering more than other regions or receiving less inventory because North America turns vehicles around the fastest. He forecasts U.S. sales for the rest of the year should only be down by 10-20 percent and customers have become more comfortable with ordering vehicles as opposed to buying off the lot.

But will the decision to drop models and future vehicles, and rely on the current lineup, cause irreversible damage before a new wave of vehicles comes to the rescue? Eberhardt smiles and says this is what he has to work with, so the goal is to make the existing portfolio as competitive as possible. No apologies, no attempts at hyperbole.

Overall, the automaker is going from six vehicle architectures to three: two for Land Rover and one for Jaguar. Overlap between the two brands will end; they will have separate architectures (an all-electric one for Jaguar, and a pair of flexible ICE/hybrid/BEV capable architectures for Land Rover), powertrains, design languages, personalities, and degree of electrification.

Jaguar is the brand hardest hit. The brand will be fully electric in 2025 with only a few nameplates from the brand's single dedicated electric vehicle platform.

In the interim, it must make the most of its existing lineup, which consists of three SUVs, the F-Type coupe, and a single sedan. On the utility side are the top-selling Jaguar F-Pace that was updated for the 2021 model year, the Jaguar E-Pace entry SUV, and the electric Jaguar I-Pace crossover. The updated 2021 Jaguar XF is the sole car offering left, with the decision to discontinue the entry Jaguar XE sedan and to not build a new XJ flagship sedan.

"That next-generation XJ was to be all-electric, reportedly to be joined by an electric J-Pace three-row SUV and a lower-riding ""Road Rover,"" and all were to be built on the Modular Longitudinal Architecture platform. But this platform was cancelled, and JLR had to write off about $1.2 billion of investment already spent on the MLA-mid program that did not produce the emissions cuts needed."

The trimming of the trims is dramatic: Jaguar goes from 51 derivatives of its five 2020 models to only 17 derivatives for the 2021 model year. It simplifies ordering, stocking, and manufacturing for Jaguar and the purchase decision for consumers. It will also help Jaguar deliver a more targeted message to consumers.

Jaguar will move more upscale with its few offerings—in part by dropping the XE. In the interim, the 2021 Jaguar XF midsize sedan gets a major overhaul as well as fewer trim levels and a price cut. The 2020 Jaguar XF had a price range from $52,250 to $69,350 with 10 derivatives. For the 2021 Jaguar XF, there are only three derivatives and pricing ranges from $45,145 to $51,145 with about $10,000 in additional content and features.

The updated XF has new LED lights front and back. Inside everything but the glovebox was changed, with new materials and colors. The big advance is the new infotainment system with an 11.4-inch slightly curved touchscreen and the new Pivi Pro software designed to erase memories of glitchy JLR systems in the past.

Eberhardt thinks consumers will appreciate a competitive sedan that is more focused, offers fewer derivatives, and comes in at a good price—and that sales will grow as a result.

Thierry Bollore, who took over as CEO of Jaguar Land Rover last September, said Jaguar will move away from SUVs. Eberhardt says the comments were taken out of context and he is not worried the brand will be reduced to slower-selling sedans, sports cars, and wagons.

As for consumer acceptance of a fully electric Jaguar lineup in the future, Eberhardt says the automaker does not pretend to have all the answers. But the industry is moving to an all-electric future and the hope is consumers embrace it. The transition will take time and customers will need to be convinced electric motors and batteries are the best powertrain, he says.

Acceptance will grow as myths are busted about the pitfalls of EVs. New entries, especially the 2022 Ford F-150 Lightning, the 2022 GMC Hummer EV, the 2021 Rivian R1T electric pickup, and the 2021 Porsche Taycan performance sedan will go a long way in speeding the adoption rate, Eberhardt says.

"""Once people make the switch, they'll never come back,"" he says. ""This is just the beginning of what EVs can do."""

Once infrastructure is in place and people have home chargers, Eberhardt says we will see mass adoption. But whether that is five years out, or 10, he cannot say.

"JLR, as a small-scale automaker, can't play in all segments but is taking trends into consideration and acting accordingly. ""Even if the customer is not looking ready today, we have to push the envelope."" That is why Jaguar is going all electric in 2025 and Land Rover will slowly follow suit."

Land Rover has eight models that fall within three families of SUVs: Discovery, Defender, and Range Rover, each considered a sub-brand. In the future, all Land Rovers will come from one of two architectures, the flexible MLA for large Land Rover SUVs and new Electrified Modular Architecture (EMA). Both can accommodate hybrids as well as battery-electric vehicles.

Land Rover will introduce six battery-electric vehicles by 2026 but will retain a mix of BEVs and vehicles with internal combustion engines. The first all-electric vehicle is expected in 2024, and the brand won't be all electric until 2036.

After a 23-year wait, the U.S. saw the return of the Defender, starting with the 2020 Land Rover Defender 110 that went on sale in June 2020 and has sold about 16,000 units last year. It was the 2021 MotorTrend SUV of the Year.

The second stage is the addition of the two-door 2021 Land Rover Defender 90. Eberhardt does not know what the mix will be between the two, and says it is impossible to gauge yet because inventories are so strained.

A V-8 is coming for both Defender models at the end of the summer.

We expect the fifth-generation Range Rover next year. Eberhardt says the cadence of future product rollouts remains intact despite temporary delays—so we take that as assurance it remains on track to launch next year, barring unforeseen circumstances.

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31. Lower vehicle. Refer to Lifting and Jacking the Vehicle in SI.2010 Cadillac Truck SRX AWD V6-2.8L Turbo Technical Service Bulletin # NHTSA10V223000 Date: 100524

noreply@blogger.com (Unknown) — Fri, 20 Dec 2019 03:15:00 -0800

31. Lower vehicle. Refer to Lifting and Jacking the Vehicle in SI.2010 Cadillac Truck SRX AWD V6-2.8L Turbo Technical Service Bulletin # NHTSA10V223000 Date: 100524

Recall 10V223000: ECM Software Update

VEHICLE MAKE/MODEL: MODEL YEAR(S):

Cadillac/SRX 2010

MANUFACTURER: General Motors Corp.

MFR'S REPORT DATE: May 24, 2010

NHTSA CAMPAIGN ID NUMBER: 10V223000

NHTSA ACTION NUMBER: N/A

COMPONENT: Engine and Engine Cooling

POTENTIAL NUMBER OF UNITS AFFECTED: 547

SUMMARY:

General Motors is recalling certain model year 2010 Cadillac SRX equipped with a 2.8L V6 engine. If low octane (regular) fuel is used in the

vehicle instead of the required high octane (premium) fuel as stated in the owner manual and on the fuel filler door, the combination of regular fuel

usage and aggressive driving maneuvers may induce pre-ignition. If pre-ignition occurs, you may hear a pinging or knocking sound from the

engine.

CONSEQUENCE:

If the vehicle continues to be driven after the onset of this noise, a connecting rod or piston may break, resulting in engine damage, and perhaps

engine failure, which would disable the vehicle increasing the risk of a crash.

REMEDY:

Dealers will reprogram the engine control module free of charge. The safety recall is expected to begin on or before June 11, 2010. Owners may

contact The Cadillac Customer Assistance Center at 1-866-982-2339 or at The Owner Center at www.gmownercenter.com.

NOTES:

Owners may also contact The National Highway Traffic Safety Administration's Vehicle Safety Hotline at 1-888-327-4236 (TTY

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2010 Cadillac Truck Escalade RWD V8-6.0L Hybrid Page 999

* Ignition ON.

* Ignition voltage is greater than 10 volts.

Conditions for Setting the DTC

The EBCM detects an internal malfunction.

Action Taken When the DTC Sets

* The EBCM disables the antilock brake system (ABS), traction control and the vehicle stability enhancement system for the duration of the

ignition cycle.

* A driver information center message and/or a warning indicator may be displayed.

Conditions for Clearing the DTC

* The condition for the DTC is no longer present.

* The EBCM clears the history DTC when a current DTC is not detected in 40 consecutive drive cycles.

Reference Information

Schematic Reference

Antilock Brake System Schematics (See: Brakes and Traction Control/Antilock Brakes / Traction Control Systems/Diagrams/Electrical Diagrams)

Connector End View Reference

Component Connector End Views (See: Diagrams/Connector Views)

Description and Operation

ABS Description and Operation (See: Brakes and Traction Control/Antilock Brakes / Traction Control Systems/Description and Operation/ABS

Description and Operation)

Electrical Information Reference

* Circuit Testing (See: Testing and Inspection/Component Tests and General Diagnostics/General Electrical Diagnostic Procedures/Circuit

Testing/Circuit Testing)

* Connector Repairs (See: Testing and Inspection/Component Tests and General Diagnostics/General Electrical Diagnostic

Procedures/Connector Repairs/Connector Repairs)

* Testing for Intermittent Conditions and Poor Connections (See: Testing and Inspection/Component Tests and General Diagnostics/General

Electrical Diagnostic Procedures/Circuit Testing/Testing for Intermittent Conditions and Poor Connections)

* Wiring Repairs (See: Testing and Inspection/Component Tests and General Diagnostics/General Electrical Diagnostic Procedures/Wiring

Repairs/Wiring Repairs)

Scan Tool Reference

Control Module References (See: Testing and Inspection/Programming and Relearning) for scan tool information

Circuit/System Testing

1. Ignition OFF, disconnect the harness connector at the EBCM.

2. Test for less than 1 ohm between the ground circuits listed below and ground.

* Terminal 13

* Terminal 38

瀚慖f greater than the specified range, test the ground circuit for an open/high resistance.

3. Ignition ON, verify that a test lamp illuminates between the B+ circuits listed below and ground.

* Terminal 1

* Terminal 25

瀚慖f the test lamp does not illuminate, test the appropriate circuit for a short to ground or an open/high resistance.

4. If all circuits test normal, replace the EBCM.

Repair Instructions

Perform the Diagnostic Repair Verification (See: Verification Tests) after completing the diagnostic procedure.

Control Module References (See: Testing and Inspection/Programming and Relearning) for EBCM replacement, setup, and programming

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DTC C12D0

- ABS Left Rear Dump Solenoid valve Circuit Open

DTC C12D1

- ABS Left Rear Dump Solenoid Valve Circuit Shorted

DTC C12D2

- ABS Left Rear Dump Solenoid Valve Driver Shorted

DTC C12D3

- ABS Right Rear Dump Solenoid Valve Circuit Open

DTC C12D4

- ABS Right Rear Dump Solenoid Valve Circuit Shorted

DTC C12D5

- ABS Right Rear Dump Solenoid Driver Shorted

DTC C12D6

- ABS Base Brake Open Solenoid Circuit Open

DTC C12D7

- ABS Base Brake Open Solenoid Circuit Shorted

DTC C12D8

- ABS Base Brake Open Solenoid Driver Shorted

DTC C12D9

- ABS Base Brake Closed Solenoid Circuit Open

DTC C12DA

- ABS Base Brake Closed Solenoid Circuit Shorted

DTC C12DB

- ABS Base Brake Closed Solenoid Driver Shorted

DTC C12DC

- ABS Boost Valve Solenoid Circuit Open

DTC C12DD

- ABS Boost Valve Isolation Solenoid Driver Shorted

DTC C12DE

- ABS Proportioning Valve Solenoid Circuit Open

DTC C12DF

- ABS Proportioning Valve Solenoid Driver Shorted

DTC C12F2

- ABS Left Rear Isolation Solenoid Valve Circuit Shorted

DTC C12F3

- ABS Left Rear Isolation Solenoid Circuit Performance

DTC C12F4

- ABS Proportioning Valve Solenoid Performance

DTC C12F5

- ABS Right Rear Isolation Solenoid Circuit Shorted

DTC C12F6

- ABS Right Rear Isolation Solenoid Performance

Circuit/System Description

The electronic brake control module (EBCM) detects an internal malfunction.

Conditions for Running the DTC

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DTC C120C

- Brake Pedal Position Sensor 4 Plausibility

DTC C121C

- EBCM Internal Communication Error

DTC C121E

- EBCM Unimplemented Interrupt

DTC C121F

- EBCM Unexpected Exception

DTC C123A

- EBCM High End Timer Watchdog

DTC C123B

- EBCM High End Timer Program Overflow

DTC C123C

- EBCM High End Timer RAM Fault

DTC C123D

- EBCM Solenoid Timeout

DTC C123E

- EBCM High End Timer Periodic Interrupt

DTC C123F

- EBCM Serial Peripheral Interface Inoperative

DTC C1255

- Electronic Control Unit Performance

DTC C1256

- Program ROM Checksum Error

DTC C126E

- EBCM Stack Overrun

DTC C126F

- EBCM Serial Peripheral Interface Performance

DTC C127C

- EBCM Self Test Failed

DTC C127E

- EBCM Module High Temperature

DTC C12A7

- ABS Boost Valve Solenoid Circuit Performance

DTC C12C2

- ABS Left Front Isolation Solenoid Valve Driver Shorted

DTC C12C5

- ABS Right Front Isolation Solenoid Valve Diver Shorted

DTC C12C6

- ABS Left Rear Isolation Solenoid Valve Circuit Failure

DTC C12C8

- ABS Right Rear Isolation Solenoid Valve Circuit Failure

DTC C12CC

- ABS Left Front Dump Solenoid Valve Driver Shorted

DTC C12CF

- ABS Right Front Dump Solenoid Valve Driver Shorted

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Component Connector End Views (See: Diagrams/Connector Views)

Description and Operation

ABS Description and Operation (See: Brakes and Traction Control/Antilock Brakes / Traction Control Systems/Description and Operation/ABS

Description and Operation)

Electrical Information Reference

* Circuit Testing (See: Testing and Inspection/Component Tests and General Diagnostics/General Electrical Diagnostic Procedures/Circuit

Testing/Circuit Testing)

* Connector Repairs (See: Testing and Inspection/Component Tests and General Diagnostics/General Electrical Diagnostic

Procedures/Connector Repairs/Connector Repairs)

* Testing for Intermittent Conditions and Poor Connections (See: Testing and Inspection/Component Tests and General Diagnostics/General

Electrical Diagnostic Procedures/Circuit Testing/Testing for Intermittent Conditions and Poor Connections)

* Wiring Repairs (See: Testing and Inspection/Component Tests and General Diagnostics/General Electrical Diagnostic Procedures/Wiring

Repairs/Wiring Repairs)

Scan Tool Reference

Control Module References (See: Testing and Inspection/Programming and Relearning) for scan tool information

Circuit/System Testing

1. Ignition OFF, disconnect the harness connector at the EBCM.

2. Test for less than 1 ohm between the ground circuits listed below and ground.

* Terminal 13

* Terminal 38

瀚慖f greater than the specified range, test the ground circuit for an open/high resistance.

3. Ignition ON, verify that a test lamp illuminates between the B+ circuits listed below and ground.

* Terminal 1

* Terminal 25

瀚慖f the test lamp does not illuminate, test the appropriate circuit for a short to ground or an open/high resistance.

4. If all circuits test normal, replace the EBCM.

Repair Instructions

Perform the Diagnostic Repair Verification (See: Verification Tests) after completing the diagnostic procedure.

Control Module References (See: Testing and Inspection/Programming and Relearning) for EBCM replacement, setup, and programming

C123E

DTC C056D, C120C, C121C, C121E, C121F, C123A-C1256, C126E-C127C, C12C2-C12DB, C12DE, C12DF, or C12F2-C12F6

Diagnostic Instructions

* Perform the Diagnostic System Check - Vehicle (See: Testing and Inspection/Initial Inspection and Diagnostic Overview/Diagnostic System

Check - Vehicle) prior to using this diagnostic procedure.

* Review Strategy Based Diagnosis (See: Testing and Inspection/Initial Inspection and Diagnostic Overview/Strategy Based Diagnosis) for an

overview of the diagnostic approach.

* Diagnostic Procedure Instructions (See: Testing and Inspection/Initial Inspection and Diagnostic Overview/Diagnostic Procedure

Instructions) provide an overview of each diagnostic category.

DTC Descriptors

DTC C056D 00

- ECU Hardware Performance

DTC C056D 3C

- ECU Hardware Performance Internal Communications Failure

DTC C056D 59

- ECU Hardware Performance

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DTC C12D8

- ABS Base Brake Open Solenoid Driver Shorted

DTC C12D9

- ABS Base Brake Closed Solenoid Circuit Open

DTC C12DA

- ABS Base Brake Closed Solenoid Circuit Shorted

DTC C12DB

- ABS Base Brake Closed Solenoid Driver Shorted

DTC C12DC

- ABS Boost Valve Solenoid Circuit Open

DTC C12DD

- ABS Boost Valve Isolation Solenoid Driver Shorted

DTC C12DE

- ABS Proportioning Valve Solenoid Circuit Open

DTC C12DF

- ABS Proportioning Valve Solenoid Driver Shorted

DTC C12F2

- ABS Left Rear Isolation Solenoid Valve Circuit Shorted

DTC C12F3

- ABS Left Rear Isolation Solenoid Circuit Performance

DTC C12F4

- ABS Proportioning Valve Solenoid Performance

DTC C12F5

- ABS Right Rear Isolation Solenoid Circuit Shorted

DTC C12F6

- ABS Right Rear Isolation Solenoid Performance

Circuit/System Description

The electronic brake control module (EBCM) detects an internal malfunction.

Conditions for Running the DTC

* Ignition ON.

* Ignition voltage is greater than 10 volts.

Conditions for Setting the DTC

The EBCM detects an internal malfunction.

Action Taken When the DTC Sets

* The EBCM disables the antilock brake system (ABS), traction control and the vehicle stability enhancement system for the duration of the

ignition cycle.

* A driver information center message and/or a warning indicator may be displayed.

Conditions for Clearing the DTC

* The condition for the DTC is no longer present.

* The EBCM clears the history DTC when a current DTC is not detected in 40 consecutive drive cycles.

Reference Information

Schematic Reference

Antilock Brake System Schematics (See: Brakes and Traction Control/Antilock Brakes / Traction Control Systems/Diagrams/Electrical Diagrams)

Connector End View Reference

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2010 Cadillac Truck Escalade RWD V8-6.0L Hybrid Page 994

- EBCM Solenoid Timeout

DTC C123E

- EBCM High End Timer Periodic Interrupt

DTC C123F

- EBCM Serial Peripheral Interface Inoperative

DTC C1255

- Electronic Control Unit Performance

DTC C1256

- Program ROM Checksum Error

DTC C126E

- EBCM Stack Overrun

DTC C126F

- EBCM Serial Peripheral Interface Performance

DTC C127C

- EBCM Self Test Failed

DTC C127E

- EBCM Module High Temperature

DTC C12A7

- ABS Boost Valve Solenoid Circuit Performance

DTC C12C2

- ABS Left Front Isolation Solenoid Valve Driver Shorted

DTC C12C5

- ABS Right Front Isolation Solenoid Valve Diver Shorted

DTC C12C6

- ABS Left Rear Isolation Solenoid Valve Circuit Failure

DTC C12C8

- ABS Right Rear Isolation Solenoid Valve Circuit Failure

DTC C12CC

- ABS Left Front Dump Solenoid Valve Driver Shorted

DTC C12CF

- ABS Right Front Dump Solenoid Valve Driver Shorted

DTC C12D0

- ABS Left Rear Dump Solenoid valve Circuit Open

DTC C12D1

- ABS Left Rear Dump Solenoid Valve Circuit Shorted

DTC C12D2

- ABS Left Rear Dump Solenoid Valve Driver Shorted

DTC C12D3

- ABS Right Rear Dump Solenoid Valve Circuit Open

DTC C12D4

- ABS Right Rear Dump Solenoid Valve Circuit Shorted

DTC C12D5

- ABS Right Rear Dump Solenoid Driver Shorted

DTC C12D6

- ABS Base Brake Open Solenoid Circuit Open

DTC C12D7

- ABS Base Brake Open Solenoid Circuit Shorted

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1. Ignition OFF, disconnect the harness connector at the EBCM.

2. Test for less than 1 ohm between the ground circuits listed below and ground.

* Terminal 13

* Terminal 38

瀚慖f greater than the specified range, test the ground circuit for an open/high resistance.

3. Ignition ON, verify that a test lamp illuminates between the B+ circuits listed below and ground.

* Terminal 1

* Terminal 25

瀚慖f the test lamp does not illuminate, test the appropriate circuit for a short to ground or an open/high resistance.

4. If all circuits test normal, replace the EBCM.

Repair Instructions

Perform the Diagnostic Repair Verification (See: Verification Tests) after completing the diagnostic procedure.

Control Module References (See: Testing and Inspection/Programming and Relearning) for EBCM replacement, setup, and programming

C123D

DTC C056D, C120C, C121C, C121E, C121F, C123A-C1256, C126E-C127C, C12C2-C12DB, C12DE, C12DF, or C12F2-C12F6

Diagnostic Instructions

* Perform the Diagnostic System Check - Vehicle (See: Testing and Inspection/Initial Inspection and Diagnostic Overview/Diagnostic System

Check - Vehicle) prior to using this diagnostic procedure.

* Review Strategy Based Diagnosis (See: Testing and Inspection/Initial Inspection and Diagnostic Overview/Strategy Based Diagnosis) for an

overview of the diagnostic approach.

* Diagnostic Procedure Instructions (See: Testing and Inspection/Initial Inspection and Diagnostic Overview/Diagnostic Procedure

Instructions) provide an overview of each diagnostic category.

DTC Descriptors

DTC C056D 00

- ECU Hardware Performance

DTC C056D 3C

- ECU Hardware Performance Internal Communications Failure

DTC C056D 59

- ECU Hardware Performance

DTC C120C

- Brake Pedal Position Sensor 4 Plausibility

DTC C121C

- EBCM Internal Communication Error

DTC C121E

- EBCM Unimplemented Interrupt

DTC C121F

- EBCM Unexpected Exception

DTC C123A

- EBCM High End Timer Watchdog

DTC C123B

- EBCM High End Timer Program Overflow

DTC C123C

- EBCM High End Timer RAM Fault

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DTC C12DF

- ABS Proportioning Valve Solenoid Driver Shorted

DTC C12F2

- ABS Left Rear Isolation Solenoid Valve Circuit Shorted

DTC C12F3

- ABS Left Rear Isolation Solenoid Circuit Performance

DTC C12F4

- ABS Proportioning Valve Solenoid Performance

DTC C12F5

- ABS Right Rear Isolation Solenoid Circuit Shorted

DTC C12F6

- ABS Right Rear Isolation Solenoid Performance

Circuit/System Description

The electronic brake control module (EBCM) detects an internal malfunction.

Conditions for Running the DTC

* Ignition ON.

* Ignition voltage is greater than 10 volts.

Conditions for Setting the DTC

The EBCM detects an internal malfunction.

Action Taken When the DTC Sets

* The EBCM disables the antilock brake system (ABS), traction control and the vehicle stability enhancement system for the duration of the

ignition cycle.

* A driver information center message and/or a warning indicator may be displayed.

Conditions for Clearing the DTC

* The condition for the DTC is no longer present.

* The EBCM clears the history DTC when a current DTC is not detected in 40 consecutive drive cycles.

Reference Information

Schematic Reference

Antilock Brake System Schematics (See: Brakes and Traction Control/Antilock Brakes / Traction Control Systems/Diagrams/Electrical Diagrams)

Connector End View Reference

Component Connector End Views (See: Diagrams/Connector Views)

Description and Operation

ABS Description and Operation (See: Brakes and Traction Control/Antilock Brakes / Traction Control Systems/Description and Operation/ABS

Description and Operation)

Electrical Information Reference

* Circuit Testing (See: Testing and Inspection/Component Tests and General Diagnostics/General Electrical Diagnostic Procedures/Circuit

Testing/Circuit Testing)

* Connector Repairs (See: Testing and Inspection/Component Tests and General Diagnostics/General Electrical Diagnostic

Procedures/Connector Repairs/Connector Repairs)

* Testing for Intermittent Conditions and Poor Connections (See: Testing and Inspection/Component Tests and General Diagnostics/General

Electrical Diagnostic Procedures/Circuit Testing/Testing for Intermittent Conditions and Poor Connections)

* Wiring Repairs (See: Testing and Inspection/Component Tests and General Diagnostics/General Electrical Diagnostic Procedures/Wiring

Repairs/Wiring Repairs)

Scan Tool Reference

Control Module References (See: Testing and Inspection/Programming and Relearning) for scan tool information

Circuit/System Testing

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- EBCM Self Test Failed

DTC C127E

- EBCM Module High Temperature

DTC C12A7

- ABS Boost Valve Solenoid Circuit Performance

DTC C12C2

- ABS Left Front Isolation Solenoid Valve Driver Shorted

DTC C12C5

- ABS Right Front Isolation Solenoid Valve Diver Shorted

DTC C12C6

- ABS Left Rear Isolation Solenoid Valve Circuit Failure

DTC C12C8

- ABS Right Rear Isolation Solenoid Valve Circuit Failure

DTC C12CC

- ABS Left Front Dump Solenoid Valve Driver Shorted

DTC C12CF

- ABS Right Front Dump Solenoid Valve Driver Shorted

DTC C12D0

- ABS Left Rear Dump Solenoid valve Circuit Open

DTC C12D1

- ABS Left Rear Dump Solenoid Valve Circuit Shorted

DTC C12D2

- ABS Left Rear Dump Solenoid Valve Driver Shorted

DTC C12D3

- ABS Right Rear Dump Solenoid Valve Circuit Open

DTC C12D4

- ABS Right Rear Dump Solenoid Valve Circuit Shorted

DTC C12D5

- ABS Right Rear Dump Solenoid Driver Shorted

DTC C12D6

- ABS Base Brake Open Solenoid Circuit Open

DTC C12D7

- ABS Base Brake Open Solenoid Circuit Shorted

DTC C12D8

- ABS Base Brake Open Solenoid Driver Shorted

DTC C12D9

- ABS Base Brake Closed Solenoid Circuit Open

DTC C12DA

- ABS Base Brake Closed Solenoid Circuit Shorted

DTC C12DB

- ABS Base Brake Closed Solenoid Driver Shorted

DTC C12DC

- ABS Boost Valve Solenoid Circuit Open

DTC C12DD

- ABS Boost Valve Isolation Solenoid Driver Shorted

DTC C12DE

- ABS Proportioning Valve Solenoid Circuit Open

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Control Module References (See: Testing and Inspection/Programming and Relearning) for EBCM replacement, setup, and programming

C123C

DTC C056D, C120C, C121C, C121E, C121F, C123A-C1256, C126E-C127C, C12C2-C12DB, C12DE, C12DF, or C12F2-C12F6

Diagnostic Instructions

* Perform the Diagnostic System Check - Vehicle (See: Testing and Inspection/Initial Inspection and Diagnostic Overview/Diagnostic System

Check - Vehicle) prior to using this diagnostic procedure.

* Review Strategy Based Diagnosis (See: Testing and Inspection/Initial Inspection and Diagnostic Overview/Strategy Based Diagnosis) for an

overview of the diagnostic approach.

* Diagnostic Procedure Instructions (See: Testing and Inspection/Initial Inspection and Diagnostic Overview/Diagnostic Procedure

Instructions) provide an overview of each diagnostic category.

DTC Descriptors

DTC C056D 00

- ECU Hardware Performance

DTC C056D 3C

- ECU Hardware Performance Internal Communications Failure

DTC C056D 59

- ECU Hardware Performance

DTC C120C

- Brake Pedal Position Sensor 4 Plausibility

DTC C121C

- EBCM Internal Communication Error

DTC C121E

- EBCM Unimplemented Interrupt

DTC C121F

- EBCM Unexpected Exception

DTC C123A

- EBCM High End Timer Watchdog

DTC C123B

- EBCM High End Timer Program Overflow

DTC C123C

- EBCM High End Timer RAM Fault

DTC C123D

- EBCM Solenoid Timeout

DTC C123E

- EBCM High End Timer Periodic Interrupt

DTC C123F

- EBCM Serial Peripheral Interface Inoperative

DTC C1255

- Electronic Control Unit Performance

DTC C1256

- Program ROM Checksum Error

DTC C126E

- EBCM Stack Overrun

DTC C126F

- EBCM Serial Peripheral Interface Performance

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DTC B0021 04

- Passenger Side Seat Air Bag Deployment Loop Open Circuit

DTC B0021 0D

- Passenger Side Seat Air Bag Deployment Loop Resistance Above Threshold

DTC B0021 0E

- Passenger Side Seat Air Bag Deployment Loop Resistance Below Threshold

DTC B0022 01

- RF Pretensioner Deployment Loop Short to Battery

DTC B0022 02

- Passenger Seat Belt Retractor Pretensioner Deployment Loop Short to Ground

DTC B0022 04

- Passenger Seat Belt Retractor Pretensioner Deployment Loop Open Circuit

DTC B0022 0D

- Passenger Seat Belt Retractor Pretensioner Deployment Loop Resistance Above Threshold

DTC B0022 0E

- Passenger Seat Belt Retractor Pretensioner Deployment Loop Resistance Below Threshold

DTC B0023 01

- Right Roof Rail Air Bag Deployment Loop Short to Battery

DTC B0023 02

- Right Roof Rail Air Bag Deployment Loop Short to Ground

DTC B0023 04

- Right Roof Rail Air Bag Deployment Loop Open Circuit

DTC B0023 0D

- Right Roof Rail Air Bag Deployment Loop Resistance Above Threshold

DTC B0023 0E

- Right Roof Rail Air Bag Deployment Loop Resistance Below Threshold

Diagnostic Fault Information

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Conditions for Running the DTC

* Ignition ON.

* Ignition voltage is greater than 10 volts.

Conditions for Setting the DTC

The EBCM detects an internal malfunction.

Action Taken When the DTC Sets

* The EBCM disables the antilock brake system (ABS), traction control and the vehicle stability enhancement system for the duration of the

ignition cycle.

* A driver information center message and/or a warning indicator may be displayed.

Conditions for Clearing the DTC

* The condition for the DTC is no longer present.

* The EBCM clears the history DTC when a current DTC is not detected in 40 consecutive drive cycles.

Reference Information

Schematic Reference

Antilock Brake System Schematics (See: Brakes and Traction Control/Antilock Brakes / Traction Control Systems/Diagrams/Electrical Diagrams)

Connector End View Reference

Component Connector End Views (See: Diagrams/Connector Views)

Description and Operation

ABS Description and Operation (See: Brakes and Traction Control/Antilock Brakes / Traction Control Systems/Description and Operation/ABS

Description and Operation)

Electrical Information Reference

* Circuit Testing (See: Testing and Inspection/Component Tests and General Diagnostics/General Electrical Diagnostic Procedures/Circuit

Testing/Circuit Testing)

* Connector Repairs (See: Testing and Inspection/Component Tests and General Diagnostics/General Electrical Diagnostic

Procedures/Connector Repairs/Connector Repairs)

* Testing for Intermittent Conditions and Poor Connections (See: Testing and Inspection/Component Tests and General Diagnostics/General

Electrical Diagnostic Procedures/Circuit Testing/Testing for Intermittent Conditions and Poor Connections)

* Wiring Repairs (See: Testing and Inspection/Component Tests and General Diagnostics/General Electrical Diagnostic Procedures/Wiring

Repairs/Wiring Repairs)

Scan Tool Reference

Control Module References (See: Testing and Inspection/Programming and Relearning) for scan tool information

Circuit/System Testing

1. Ignition OFF, disconnect the harness connector at the EBCM.

2. Test for less than 1 ohm between the ground circuits listed below and ground.

* Terminal 13

* Terminal 38

瀚慖f greater than the specified range, test the ground circuit for an open/high resistance.

3. Ignition ON, verify that a test lamp illuminates between the B+ circuits listed below and ground.

* Terminal 1

* Terminal 25

瀚慖f the test lamp does not illuminate, test the appropriate circuit for a short to ground or an open/high resistance.

4. If all circuits test normal, replace the EBCM.

Repair Instructions

Perform the Diagnostic Repair Verification (See: Verification Tests) after completing the diagnostic procedure.

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DTC C12CF

- ABS Right Front Dump Solenoid Valve Driver Shorted

DTC C12D0

- ABS Left Rear Dump Solenoid valve Circuit Open

DTC C12D1

- ABS Left Rear Dump Solenoid Valve Circuit Shorted

DTC C12D2

- ABS Left Rear Dump Solenoid Valve Driver Shorted

DTC C12D3

- ABS Right Rear Dump Solenoid Valve Circuit Open

DTC C12D4

- ABS Right Rear Dump Solenoid Valve Circuit Shorted

DTC C12D5

- ABS Right Rear Dump Solenoid Driver Shorted

DTC C12D6

- ABS Base Brake Open Solenoid Circuit Open

DTC C12D7

- ABS Base Brake Open Solenoid Circuit Shorted

DTC C12D8

- ABS Base Brake Open Solenoid Driver Shorted

DTC C12D9

- ABS Base Brake Closed Solenoid Circuit Open

DTC C12DA

- ABS Base Brake Closed Solenoid Circuit Shorted

DTC C12DB

- ABS Base Brake Closed Solenoid Driver Shorted

DTC C12DC

- ABS Boost Valve Solenoid Circuit Open

DTC C12DD

- ABS Boost Valve Isolation Solenoid Driver Shorted

DTC C12DE

- ABS Proportioning Valve Solenoid Circuit Open

DTC C12DF

- ABS Proportioning Valve Solenoid Driver Shorted

DTC C12F2

- ABS Left Rear Isolation Solenoid Valve Circuit Shorted

DTC C12F3

- ABS Left Rear Isolation Solenoid Circuit Performance

DTC C12F4

- ABS Proportioning Valve Solenoid Performance

DTC C12F5

- ABS Right Rear Isolation Solenoid Circuit Shorted

DTC C12F6

- ABS Right Rear Isolation Solenoid Performance

Circuit/System Description

The electronic brake control module (EBCM) detects an internal malfunction.

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DTC C056D 59

- ECU Hardware Performance

DTC C120C

- Brake Pedal Position Sensor 4 Plausibility

DTC C121C

- EBCM Internal Communication Error

DTC C121E

- EBCM Unimplemented Interrupt

DTC C121F

- EBCM Unexpected Exception

DTC C123A

- EBCM High End Timer Watchdog

DTC C123B

- EBCM High End Timer Program Overflow

DTC C123C

- EBCM High End Timer RAM Fault

DTC C123D

- EBCM Solenoid Timeout

DTC C123E

- EBCM High End Timer Periodic Interrupt

DTC C123F

- EBCM Serial Peripheral Interface Inoperative

DTC C1255

- Electronic Control Unit Performance

DTC C1256

- Program ROM Checksum Error

DTC C126E

- EBCM Stack Overrun

DTC C126F

- EBCM Serial Peripheral Interface Performance

DTC C127C

- EBCM Self Test Failed

DTC C127E

- EBCM Module High Temperature

DTC C12A7

- ABS Boost Valve Solenoid Circuit Performance

DTC C12C2

- ABS Left Front Isolation Solenoid Valve Driver Shorted

DTC C12C5

- ABS Right Front Isolation Solenoid Valve Diver Shorted

DTC C12C6

- ABS Left Rear Isolation Solenoid Valve Circuit Failure

DTC C12C8

- ABS Right Rear Isolation Solenoid Valve Circuit Failure

DTC C12CC

- ABS Left Front Dump Solenoid Valve Driver Shorted

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Antilock Brake System Schematics (See: Brakes and Traction Control/Antilock Brakes / Traction Control Systems/Diagrams/Electrical Diagrams)

Connector End View Reference

Component Connector End Views (See: Diagrams/Connector Views)

Description and Operation

ABS Description and Operation (See: Brakes and Traction Control/Antilock Brakes / Traction Control Systems/Description and Operation/ABS

Description and Operation)

Electrical Information Reference

* Circuit Testing (See: Testing and Inspection/Component Tests and General Diagnostics/General Electrical Diagnostic Procedures/Circuit

Testing/Circuit Testing)

* Connector Repairs (See: Testing and Inspection/Component Tests and General Diagnostics/General Electrical Diagnostic

Procedures/Connector Repairs/Connector Repairs)

* Testing for Intermittent Conditions and Poor Connections (See: Testing and Inspection/Component Tests and General Diagnostics/General

Electrical Diagnostic Procedures/Circuit Testing/Testing for Intermittent Conditions and Poor Connections)

* Wiring Repairs (See: Testing and Inspection/Component Tests and General Diagnostics/General Electrical Diagnostic Procedures/Wiring

Repairs/Wiring Repairs)

Scan Tool Reference

Control Module References (See: Testing and Inspection/Programming and Relearning) for scan tool information

Circuit/System Testing

1. Ignition OFF, disconnect the harness connector at the EBCM.

2. Test for less than 1 ohm between the ground circuits listed below and ground.

* Terminal 13

* Terminal 38

瀚慖f greater than the specified range, test the ground circuit for an open/high resistance.

3. Ignition ON, verify that a test lamp illuminates between the B+ circuits listed below and ground.

* Terminal 1

* Terminal 25

瀚慖f the test lamp does not illuminate, test the appropriate circuit for a short to ground or an open/high resistance.

4. If all circuits test normal, replace the EBCM.

Repair Instructions

Perform the Diagnostic Repair Verification (See: Verification Tests) after completing the diagnostic procedure.

Control Module References (See: Testing and Inspection/Programming and Relearning) for EBCM replacement, setup, and programming

C123B

DTC C056D, C120C, C121C, C121E, C121F, C123A-C1256, C126E-C127C, C12C2-C12DB, C12DE, C12DF, or C12F2-C12F6

Diagnostic Instructions

* Perform the Diagnostic System Check - Vehicle (See: Testing and Inspection/Initial Inspection and Diagnostic Overview/Diagnostic System

Check - Vehicle) prior to using this diagnostic procedure.

* Review Strategy Based Diagnosis (See: Testing and Inspection/Initial Inspection and Diagnostic Overview/Strategy Based Diagnosis) for an

overview of the diagnostic approach.

* Diagnostic Procedure Instructions (See: Testing and Inspection/Initial Inspection and Diagnostic Overview/Diagnostic Procedure

Instructions) provide an overview of each diagnostic category.

DTC Descriptors

DTC C056D 00

- ECU Hardware Performance

DTC C056D 3C

- ECU Hardware Performance Internal Communications Failure

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DTC C12D7

- ABS Base Brake Open Solenoid Circuit Shorted

DTC C12D8

- ABS Base Brake Open Solenoid Driver Shorted

DTC C12D9

- ABS Base Brake Closed Solenoid Circuit Open

DTC C12DA

- ABS Base Brake Closed Solenoid Circuit Shorted

DTC C12DB

- ABS Base Brake Closed Solenoid Driver Shorted

DTC C12DC

- ABS Boost Valve Solenoid Circuit Open

DTC C12DD

- ABS Boost Valve Isolation Solenoid Driver Shorted

DTC C12DE

- ABS Proportioning Valve Solenoid Circuit Open

DTC C12DF

- ABS Proportioning Valve Solenoid Driver Shorted

DTC C12F2

- ABS Left Rear Isolation Solenoid Valve Circuit Shorted

DTC C12F3

- ABS Left Rear Isolation Solenoid Circuit Performance

DTC C12F4

- ABS Proportioning Valve Solenoid Performance

DTC C12F5

- ABS Right Rear Isolation Solenoid Circuit Shorted

DTC C12F6

- ABS Right Rear Isolation Solenoid Performance

Circuit/System Description

The electronic brake control module (EBCM) detects an internal malfunction.

Conditions for Running the DTC

* Ignition ON.

* Ignition voltage is greater than 10 volts.

Conditions for Setting the DTC

The EBCM detects an internal malfunction.

Action Taken When the DTC Sets

* The EBCM disables the antilock brake system (ABS), traction control and the vehicle stability enhancement system for the duration of the

ignition cycle.

* A driver information center message and/or a warning indicator may be displayed.

Conditions for Clearing the DTC

* The condition for the DTC is no longer present.

* The EBCM clears the history DTC when a current DTC is not detected in 40 consecutive drive cycles.