2010 Cadillac CTS Sedan AWD V6-3.6L Page 247

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