Showing posts with label Control Module References (See: Testing and Inspection/Programming and Relearning) for EBCM replacement. Show all posts
Showing posts with label Control Module References (See: Testing and Inspection/Programming and Relearning) for EBCM replacement. Show all posts

Thursday, December 19, 2019

2010 Cadillac Truck Escalade RWD V8-6.0L Hybrid Page 990

2010 Cadillac Truck Escalade RWD V8-6.0L Hybrid Page 990

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

Thursday, December 12, 2019

2010 Cadillac Truck Escalade RWD V8-6.0L Hybrid Page 831

2010 Cadillac Truck Escalade RWD V8-6.0L Hybrid Page 831

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

Brake Boost Solenoid

DTC C012F, C12A7, C12DC, or C12DD

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 C012F 00

- Brake Boost Solenoid Valve Circuit

DTC C012F 0E

- Brake Boost Solenoid Valve Circuit Shorted

DTC C12A7

- Brake Boost Solenoid Valve Circuit Performance

DTC C12DC

- Brake Boost Solenoid Valve Circuit Malfunction

DTC C12DD

- Brake Boost Solenoid Valve Circuit Shorted

Circuit/System Description

The electronic brake control module (EBCM) uses input from the boost pressure sensor for more accurate control during brake and vehicle stability

enhancement system (VSES) event. The boost pressure sensor is internal to the brake pressure modulator valve (BPMV).

Conditions for Running the DTC

* The ignition is ON.

* Ignition voltage is greater than 10 volts.

Conditions for Setting the DTC

C012F 00, C12A7, C12DC

Solonoid feedback current greater than 25% of commanded current.

C012F 0E, C12DD

Solonoid feedback current greater than 50% of requested current.

Action Taken When the DTC Sets

* The EBCM disables the ABS/traction control system (TCS)/vehicle stability enhancement system (VSES) for the duration of the ignition

cycle.

* A DIC message and/or a warning indicator may be displayed.

Conditions for Clearing the DTC

* The condition for setting 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

Sunday, November 17, 2019

2010 Cadillac Truck Escalade EXT AWD V8-6.2L Page 863

2010 Cadillac Truck Escalade EXT AWD V8-6.2L Page 863

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

Antilock Brake System - Non-Hybrid Greater than/Equal to 3900 kg (8600 lb) GVW

DTC C0186 or C0196

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 C0186 55

- Lateral Accelerometer Circuit Expected Number of Transition/Events Exceeded

DTC C0186 5A

- Lateral Accelerometer Circuit Plausibility Failure

DTC C0186 0F

- Lateral Accelerometer Circuit Erratic

DTC C0196 55

- Yaw Rate Circuit Expected Number of Transition/Events Exceeded

DTC C0196 5A

- Yaw Rate Circuit Plausibility Failure

DTC C0196 0F

- Yaw Rate Circuit Erratic

Circuit/System Description

The lateral accelerometer and the yaw rate sensors are combined into one sensor external to the electronic brake control module (EBCM). The

vehicle stability enhancement system (VSES) uses the lateral accelerometer input when calculating the desired yaw rate. The EBCM recieves the

yaw/lateral accelerometer sensor data from dedicated serial data circuits.

Conditions for Running the DTC

* Ignition ON.

* Ignition voltage is greater than 10 volts.

Conditions for Setting the DTC

* The yaw/lateral accelerometer sensor fails an internal self test.

* The correlation error between the yaw/lateral accelerometer sensor and steering angle sensor.

Actions Taken when the DTC Sets

* The EBCM disables the StabiliTrak for the duration of the ignition cycle.

* A DIC 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.

Diagnostic Aids

An incorrectly mounted sensor can cause these faults.

Reference Information

Schematic Reference

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

2010 Cadillac Truck Escalade EXT AWD V8-6.2L Page 861

2010 Cadillac Truck Escalade EXT AWD V8-6.2L Page 861

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

Antilock Brake System - Non-Hybrid Less than 3900 kg (8600 lb) GVW

DTC C0186 or C0196

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 C0186 00

- Lateral Accelerometer Circuit

DTC C0186 5A

- Lateral Accelerometer Circuit Plausibility Failure

DTC C0196 00

- Yaw Rate Circuit

DTC C0196 5A

- Yaw Rate Circuit Plausibility Failure

Diagnostic Fault Information

Circuit/System Description

The yaw rate and the lateral accelerometer sensors are combined into one sensor, external to the electronic brake control module (EBCM). The

vehicle stability enhancement system (VSES) uses the lateral accelerometer input when calculating the desired yaw rate. The EBCM supplies the 12

V to the yaw/lateral accelerometer sensor. The yaw/lateral accelerometer sensor communicates with the EBCM via discrete CAN Bus High and

CAN Bus Low serial data circuits.

Conditions for Running the DTC

The engine is running.

Conditions for Setting the DTC

* Short to ground on the CAN High serial data circuit.

* The yaw/lateral accelerometer sensor fails an internal self test.

* Communication is lost between the EBCM and the yaw/lateral combination sensor.

* The correlation error between the yaw/lateral combination sensor and steering angle sensor.

Action Taken When the DTC Sets

One or more of the following actions may occur:

* The EBCM disables the antilock brake system (ABS)/traction control system (TCS) and vehicle stability enhancement system (VSES) for the

duration of the ignition cycle.

* The ABS indicator illuminates.

* The red Brake warning indicator illuminates.