2010 Cadillac Truck Escalade EXT AWD V8-6.2L Page 879

2010 Cadillac Truck Escalade EXT AWD V8-6.2L Page 879

Repair Instructions

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

* Brake Fluid Level Indicator Switch Replacement (Two-mode Hybrid) (See: Brakes and Traction Control/Hydraulic System/Brake Fluid

Level Sensor/Switch/Service and Repair/Brake Fluid Level Indicator Switch Replacement (Non-Hybrid))Brake Fluid Level Indicator Switch

Replacement (JD9, JH6) (See: Brakes and Traction Control/Hydraulic System/Brake Fluid Level Sensor/Switch/Service and Repair/Brake

Fluid Level Indicator Switch Replacement (JD9, JH6))

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

C0277

DTC C0277, C0297, or C0890

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 Descriptor

DTC C0277 06

- Brake Pedal Position Sensor Circuit Short to Ground or Open

DTC C0277 07

- Brake Pedal Position Sensor Circuit Voltage Above Threshold

DTC C0277 09

- Brake Pedal Position Sensor Circuit Rate of Change Above Threshold

DTC C0277 4B

- Brake Pedal Position Sensor Calibration Not Learned

DTC C0297 00

- Brake Applied Output Circuit

DTC C0890 03

- Device Voltage Reference Output 3 Circuit Voltage Below Threshold

DTC C0890 07

- Device Voltage Reference Output 3 Circuit Voltage Above Threshold

Conditions for Running the DTC

Battery voltage must be between 9-16 V.

Conditions for Setting the DTC

In the event that DTC C0277, C0297, or C0890 sets as current in the body control module (BCM) is an indication of a possible internal BCM

malfunction or programming error. There are no external circuits available to diagnose on this vehicle with respect to these DTCs.

Actions Taken When the DTC Sets

When DTC C0277 is set as current, the vehicle may not start.

Conditions for Clearing the DTC

* For DTC C0277 the ignition must be cycled before the code can be cleared.

* A history DTC will clear once 50 malfunction-free ignition cycles have occurred.

* A DTC will not clear the current status until the next ignition cycle.

Diagnostic Aids

These DTCs may set as current after the replacement of an electronic brake control module (EBCM) or engine control module (ECM). If a control