2010 Cadillac Truck Escalade EXT AWD V8-6.2L Page 648

2010 Cadillac Truck Escalade EXT AWD V8-6.2L Page 648

瀚慖f the test lamp illuminates, test the control circuits listed below for a short to voltage:

* Right rear seat cushion terminal 6

* Right rear seat cushion terminal 2

6. If all circuits test normal, replace the RHSM.

Repair Instructions

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

* Rear Seat Cushion Heater Replacement ()

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

programming

Dealer Installed

DTC B2508 or B2509 (Dealer Installed)

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 B2508 01

- Seat Heater Relay Circuit Short to Battery

DTC B2508 02

- Seat Heater Relay Circuit Short to Ground

Diagnostic Fault Information