2010 Cadillac Truck Escalade EXT AWD V8-6.2L Page 1026

2010 Cadillac Truck Escalade EXT AWD V8-6.2L Page 1026

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

module has been replaced, ensure that the programming procedure and all recalibration procedures have been completed successfully before

addressing these DTCs.

Reference Information

Electrical Information Reference

* Circuit Testing (See: Testing and Inspection/Component Tests and General Diagnostics/General Electrical Diagnostic Procedures/Circuit

Testing/Circuit Testing)

* Connector Repairs (See: Testing and Inspection/Component Tests and General Diagnostics/General Electrical Diagnostic

Procedures/Connector Repairs/Connector Repairs)

* Testing for Intermittent Conditions and Poor Connections (See: Testing and Inspection/Component Tests and General Diagnostics/General

Electrical Diagnostic Procedures/Circuit Testing/Testing for Intermittent Conditions and Poor Connections)

* Wiring Repairs (See: Testing and Inspection/Component Tests and General Diagnostics/General Electrical Diagnostic Procedures/Wiring

Repairs/Wiring Repairs)

Scan Tool Reference

Control Module References (See: Testing and Inspection/Programming and Relearning) for scan tool information

Circuit/System Verification

1. Ignition ON, verify that the DTC is set as current and that no other vehicle system DTCs exists.

瀚慖f other vehicle system DTCs exists, address these DTCs before proceeding with this diagnostic test.

2. Cycle the ignition OFF then ON, clear the DTC with a scan tool and verify that the DTC does not reset as current.

瀚慖f the DTC resets as current, replace the BCM.

Repair Instructions

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

Control Module References (See: Testing and Inspection/Programming and Relearning) for BCM 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