2010 Cadillac CTS Sedan AWD V6-3.6L Page 247
瀚慖f greater than the specified range, test the low reference circuit for an open/high resistance. If the circuit tests normal, replace the rear
object sensor control module.
3. Ignition ON, transmission in REVERSE, test for 8.0-9.0 V between the voltage reference circuit terminal 1 and ground.
瀚慖f greater than the specified range, test the voltage reference circuit for a short to voltage. If the circuit tests normal, replace the rear object
sensor control module.
瀚慖f less than the specified range, test the voltage reference circuit for a short to ground or an open/high resistance. If the circuit tests
normal, replace the rear object sensor control module.
Repair Instructions
Perform the Diagnostic Repair Verification (See: Verification Tests) after completing the diagnostic procedure.
* Rear Object Sensor Replacement (See: Accessories and Optional Equipment/Collision Avoidance and Parking Assist Systems/Parking
Assist Distance Sensor/Service and Repair/Rear Object Sensor Replacement)
* Control Module References (See: Testing and Inspection/Programming and Relearning) for object alarm module replacement, setup, and
programming
Parking Assist Display Only
DTC B0958, B0959, B0960, or B0961 (Parking Assist Display Only)
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
DTC B0959 3A
- Parking Aid Rear Sensor 2 Circuit Incorrect Component Installed
DTC B0960 01
- Parking Aid Rear Sensor 3 Circuit Short to Battery
DTC B0960 06
- Parking Aid Rear Sensor 3 Circuit Short to Ground or Open
