2010 Cadillac Truck Escalade RWD V8-6.0L Hybrid Page 823

2010 Cadillac Truck Escalade RWD V8-6.0L Hybrid Page 823

* 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

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