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
