2010 Cadillac Truck Escalade EXT AWD V8-6.2L Page 547

2010 Cadillac Truck Escalade EXT AWD V8-6.2L Page 547

瀚慖f greater than the specified range, test the signal circuit for a short to voltage. If the circuit tests normal, replace the HSM.

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

Repair Instructions

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

* Driver or Passenger Seat Cushion Heater Replacement (without HP2) ()Driver or Passenger Seat Cushion Heater Replacement (with HP2)

()

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

B1935

DTC B1935 or B2180 (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 B1935 04

- Left Seat Back Heater Circuit Open

DTC B1935 0A

- Left Seat Back Heater Circuit Rate of Change Below Threshold

DTC B1935 0B

- Left Seat Back Heater Circuit Current Above Threshold

DTC B1935 0C

- Left Seat Back Heater Circuit Current Below Threshold

DTC B1935 0D

- Left Seat Back Heater Circuit Resistance Above Threshold

DTC B1935 0E

- Left Seat Back Heater Circuit Resistance Below Threshold

DTC B1935 1F

- Left Seat Back Heater Circuit Intermittent

DTC B2180 04

- Right Seat Back Heater Circuit Open

DTC B2180 0A

- Right Seat Back Heater Circuit Rate of Change Below Threshold

DTC B2180 0B

- Right Seat Back Heater Circuit Current Above Threshold

DTC B2180 0C

- Right Seat Back Heater Circuit Current Below Threshold

DTC B2180 0D

- Right Seat Back Heater Circuit Resistance Above Threshold

DTC B2180 0E

- Right Seat Back Heater Circuit Resistance Below Threshold

DTC B2180 1F

- Right Seat Back Heater Circuit Intermittent

Diagnostic Fault Information