Friday, May 24, 2019

2019 Cadillac Truck Escalade AWD V8-6.2L Diagnostic Instructions Page 146


8. If all circuits test normal, replace the appropriate sensor.



9. Reconnect all SIR components. Ignition ON, with a scan tool clear and check for DTCs.



锟斤拷 If the DTC returns and is current, replace the SDM.



Repair Instructions



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



* Inflatable Restraint Front End Sensor Replacement (See: Restraints and Safety Systems/Air Bag Systems/Impact Sensor/Service and



Repair/Inflatable Restraint Front End Sensor Replacement)



* Inflatable Restraint Side Impact Sensor Replacement (Front Side Door) (See: Restraints and Safety Systems/Air Bag Systems/Impact



Sensor/Service and Repair/Inflatable Restraint Side Impact Sensor Replacement (Front Side Door))Inflatable Restraint Side Impact Sensor



Replacement (Rear Side Door) (See: Restraints and Safety Systems/Air Bag Systems/Impact Sensor/Service and Repair/Inflatable Restraint



Side Impact Sensor Replacement (Rear Side Door))



* SIR/SRS Wiring Repairs (See: Testing and Inspection/Component Tests and General Diagnostics/General Electrical Diagnostic



Procedures/Wiring Repairs/SIR/SRS Wiring Repairs)



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



B0087



DTC B0083-B0088



Diagnostic Instructions



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



Check - Vehicle) prior to using this 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 B0083 00



- Electronic Front End Sensor 1 No Additional Information (Left)



DTC B0083 0F



- Electronic Front End Sensor 1 Erratic (Left)



DTC B0083 39



- Electronic Front End Sensor 1 Internal Electronic Failure (Left)



DTC B0083 3A



- Electronic Front End Sensor 1 Incorrect Component Installed (Left)



DTC B0083 71



- Electronic Front End Sensor 1 Invalid Serial Data Received (Left)



DTC B0084 00



- Electronic Front End Sensor 2 No Additional Information (Right)



DTC B0084 0F



- Electronic Front End Sensor 2 Erratic (Right)



DTC B0084 39



- Electronic Front End Sensor 2 Internal Electronic Failure (Right)



DTC B0084 3A



- Electronic Front End Sensor 2 Incorrect Component Installed (Right)



DTC B0084 71



- Electronic Front End Sensor 2 Invalid Serial Data Received (Right)



DTC B0085 00



- LF Side Impact Sensor No Additional Information



DTC B0085 0F



- LF Side Impact Sensor Erratic