2010 Cadillac Truck Escalade RWD V8-6.0L Hybrid Page 466

2010 Cadillac Truck Escalade RWD V8-6.0L Hybrid Page 466

ground circuit terminals and ground:

* Terminal 1 X3

* Terminal 5 X3

* Terminal 9 X4

瀚慖f greater than the specified range, test the ground circuit for an open/high resistance.

3. Ignition ON, verify that a test lamp illuminates between the following B+ circuit terminals and ground:

* Terminal 3 X3

* Terminal 10 X4

瀚慖f the test lamp does not illuminate, test the appropriate B+ circuit for a short to ground or an open/high resistance.

4. If all circuits test normal, 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.

Engine Electrical - Hybrid (HP2)

DTC B1517

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 B1517 03

- Battery Voltage Below Threshold - BCM 12V

DTC B1517 07

- Battery Voltage Above Threshold - BCM 12V

DTC B1517 5A

- Battery Voltage Plausibility Failure - BCM 12V

Diagnostic Fault Information

Typical Scan Tool Data