2010 Cadillac Truck Escalade RWD V8-6.0L Hybrid Page 782
Circuit/System Testing
1. Verify that no other DTCs are set.
瀚慖f DTC is set, refer to Diagnostic Trouble Code (DTC) List - Vehicle (See: Diagnostic Trouble Code Descriptions/Diagnostic Trouble
Code (DTC) List - Vehicle).
2. Using a scan tool, perform the EBCM, module setup, and EBCM Relearn.
3. Verify that DTC C012D, C120A, C128A, C128D, C12BC, C12BD, or C12BE is not set.
瀚慖f DTC is set replace brake pressure modulator valve (BPMV) assembly. If the DTC resets, replace the EBCM.
Repair Instructions
Perform the Diagnostic Repair Verification (See: Verification Tests) after completing the diagnostic procedure.
* Brake Pressure Modulator Valve Replacement (See: Brakes and Traction Control/Antilock Brakes / Traction Control Systems/Hydraulic
Control Assembly - Antilock Brakes/Service and Repair)
* Control Module References (See: Testing and Inspection/Programming and Relearning) for EBCM replacement, setup, and programming
C12B1
DTC C0277, C120C, C129A, C129B, C129D, C129E, C12B1, or C12F8
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 C0277 03
- BMC Primary Piston Position Sensor A and B Circuit Performance Voltage Below Threshold
DTC C129A
- Brake Pedal Position Sensor 3 Circuit Low
DTC C129D
- Brake Pedal Position Sensor 4 Circuit Low
DTC C0277 07
- BMC Primary Piston Position Sensor A and B Circuit Voltage Above Threshold
DTC C129B
- Brake Pedal Position Sensor 3 Circuit High
DTC C129E
- Brake Pedal Position Sensor 4 Circuit High
DTC C0277 5A
- BMC Primary Piston Position Sensor A and B Circuit Plausibility Failure
DTC C12B1
- ABS Master Cylinder Pressure Sensor and Brake Pedal Position Sensor Not Plausible
DTC C12F8
- Brake Pedal Position Sensor 3 Not Plausible
DTC C120C
- Brake Pedal Position Sensor 4 Not Plausible
Diagnostic Fault Information
Mercedes Benz Diagnostic and Repair Information ,Wiring Diagrams. DTC. TSB. Types: TSB, DTC, Wiring Diagrams, OEM Procedures. Trusted by more than 400,000 technicians. OEM accurate fix for faster repairs. Repair Procedures and Labor Times. Factory Auto Repair info. Request A Demo Today. Factory-Correct Diagrams. Factory Part Numbers. Maintenance Schedules. Repair Procedures. Labor Times. Types: TSB, DTC.Mercedes,Mercedes,Benz,Mercedes-Benz UK,A,Class,B,Class,C,Class,E,Class,CLA,CLS,G,Class,GLA,A
Tuesday, December 10, 2019
2010 Cadillac Truck Escalade RWD V8-6.0L Hybrid Page 782
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