the SDM will set a DTC.
Conditions for Running the DTC
Ignition voltage is between 9-16 volts.
Conditions for Setting the DTC
Any of the following conditions exist for 2.5 seconds:
B0083 00, B0084 00, B0085 00, B0086 00, B0087 00, B0088 00
* The front end sensor has been shorted to voltage, open, or shorted to ground.
* The front end sensor current has been above 23 mA for longer than 5 milliseconds.
* The SDM has not received a message from the front end sensor for more than 375 milliseconds.
B0083 0F, B0084 0F, B0085 0F, B0086 0F, B0087 0F, B0088 0F
The SDM has received erratic messages from the front end sensor.
B0083 39, B0084 39, B0085 39, B0086 39, B0087 39, B0088 39
* The SDM has received a Not Ok (NOK) message from the front end sensor.
* The SDM has not received a message.
* The SDM has received invalid serial data from the front end sensor.
B0083 3A, B0084 3A, B0085 3A, B0086 3A, B0087 3A, B0088 3A
* The SDM has received an ID message from the front end sensor, which does not match the ID stored in the SDM memory.
* The SDM has reset the front end sensor twice without detecting the correct ID message.
B0083 71, B0084 71, B0085 71, B0086 71, B0087 71, B0088 71
The SDM has received invalid serial data from the front end sensor.
Action Taken When the DTC Sets
* The SDM requests the instrument panel cluster (IPC) to illuminate the AIR BAG indicator.
* The SIR System is disabled and no deployments are allowed.
Conditions for Clearing the DTC
* The condition for setting the DTC no longer exists.
* A history DTC will clear once 100 malfunction-free ignition cycles have occurred.
Reference Information
Schematic Reference
SIR Schematics (See: Diagrams/Electrical Diagrams/Air Bag Systems)
Connector End View Reference
Component Connector End Views (See: Diagrams/Connector Views)
Description and Operation
SIR System Description and Operation (See: Restraints and Safety Systems/Air Bag Systems/Description and Operation)
Electrical Information Reference
* Circuit Testing (See: Testing and Inspection/Component Tests and General Diagnostics/General Electrical Diagnostic Procedures/Circuit
Testing/Circuit Testing)
* 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)
* Connector Repairs (See: Testing and Inspection/Component Tests and General Diagnostics/General Electrical Diagnostic
Procedures/Connector Repairs/Connector Repairs)
* 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
Important: Refer to SIR Service Precautions (See: Restraints and Safety Systems/Air Bag Systems/Service Precautions/Technician Safety
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