Monday, November 4, 2019

2010 Cadillac Truck Escalade EXT AWD V8-6.2L Page 1083

2010 Cadillac Truck Escalade EXT AWD V8-6.2L Page 1083

瀚慖f less than the specified range, test the signal circuit for a short to ground or an open/high resistance. If the circuit tests normal, replace

the trailer brake control module.

瀚慖f greater than the specified range, test the signal circuit for a short to voltage. If the circuit tests normal, replace the trailer brake control

module.

10. If all circuits test normal, test or replace the trailer brake controller switch panel.

Repair Instructions

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

* Trailer Brake Control Switch Replacement (See: Accessories and Optional Equipment/Towing / Trailer System/Trailer Brake Control

Module/Service and Repair/Trailer Brake Control Switch Replacement)

* Trailer Brake Control Module Replacement (See: Accessories and Optional Equipment/Towing / Trailer System/Trailer Brake Control

Module/Service and Repair/Trailer Brake Control Module Replacement)

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

Gasoline Without LY6

DTC C0880, C0890, C1115, C1116, C1117, or C1118 (Gasoline Without LY6)

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) provides an overview of each diagnostic category.

DTC Descriptors

DTC C0880 00

- Device Voltage Reference Output 2 Circuit

DTC C0890 00

- Device Voltage Reference Output 3 Circuit

DTC C1115 08

- Manual Trailer Brake Apply Request Switch Signal Invalid

DTC C1115 5A

- Manual Trailer Brake Apply Request Switch Signal Plausibility Failure

DTC C1116 00

- Manual Trailer Brake Apply Request Signal 1

DTC C1117 00

- Manual Trailer Brake Apply Request Signal 2

DTC C1118 00

- Trailer Brake Control Sensitivity Switch Circuit

DTC C1118 08

- Trailer Brake Control Sensitivity Switch Circuit Signal Invalid

Diagnostic Fault Information

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