2010 Cadillac Truck Escalade/ESV RWD V8-6.2L Page 327

2010 Cadillac Truck Escalade/ESV RWD V8-6.2L Page 327

* 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 Testing

1. Ignition OFF, disconnect the harness connector at the steering wheel controls switch - left.

2. Ignition ON, verify that a test lamp illuminates between the signal circuit terminal 9 and B+.

瀚慖f the test lamp does not illuminate, test the signal circuit for a short to voltage or an open/high resistance. If the circuit tests normal,

replace the BCM.

3. If all circuits test normal, test or replace the steering wheel controls switch - left.

Repair Instructions

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

* Steering Wheel Control Switch Assembly Replacement (See: Accessories and Optional Equipment/Sensors and Switches - Accessories and

Optional Equipment/Steering Mounted Controls Assembly/Service and Repair)

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

B0958

DTC B0958, B0959, B0960, or B0961

Diagnostic Instructions

* Perform the Diagnostic System Check - Vehicle (See: Testing and Inspection/Initial Inspection and Diagnostic Overview/Diagnostic System

Check - Vehicle) prior to using the 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 B0958 01

- Parking Aid Rear Sensor 1 Circuit Short to Battery

DTC B0958 06

- Parking Aid Rear Sensor 1 Circuit Short to Ground or Open

DTC B0958 08

- Parking Aid Rear Sensor 1 Circuit Signal Invalid

DTC B0958 21

- Parking Aid Rear Sensor 1 Circuit Incorrect Period

DTC B0958 3A

- Parking Aid Rear Sensor 1 Circuit Incorrect Component Installed

DTC B0959 01

- Parking Aid Rear Sensor 2 Circuit Short to Battery

DTC B0959 06

- Parking Aid Rear Sensor 2 Circuit Short to Ground or Open

DTC B0959 08

- Parking Aid Rear Sensor 2 Circuit Signal Invalid

DTC B0959 21

- Parking Aid Rear Sensor 2 Circuit Incorrect Period