Saturday, June 1, 2019

2019 Cadillac Truck Escalade AWD V8-6.2L Diagnostic Instructions Page 276


3. Ignition ON, transmission in REVERSE, test for 8.0-9.0 V between the voltage reference circuit terminal 1 and ground.



锟斤拷 If greater than the specified range, test the voltage reference circuit for a short to voltage. If the circuit tests normal, replace the object



alarm module.



锟斤拷 If 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 object alarm 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



B0959



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



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



DTC B0960 08



- Parking Aid Rear Sensor 3 Circuit Signal Invalid

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