2010 Cadillac Truck Escalade RWD V8-6.0L Hybrid Page 604
1. Install a 20A fused jumper wire between the control terminal 1 and 12 volts. Momentarily install a jumper wire between the control terminal
3 and ground. The liftgate latch assembly should perform the CINCH or RELEASE function.
瀚慖f the function does not perform as specified, replace the liftgate latch assembly.
2. Reverse the jumper wires; the liftgate latch assembly should perform the RELEASE or CINCH function.
瀚慖f the function does not perform as specified, replace the liftgate latch assembly.
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 LGM replacement, setup and programming
HP2 W/O Memory
DTC B2508 or B2509 (HP2 w/o Memory)
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
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