B0052

DTC B0052

Diagnostic Instructions

* Perform the Diagnostic System Check - Vehicle Diagnostic System Check - Vehicle prior to using the diagnostic procedure.

* Review Strategy Based Diagnosis Strategy Based Diagnosis for an overview of the diagnostic approach.

* Diagnostic Procedure Instructions Diagnostic Procedure Instructions provides an overview of each diagnostic category.

DTC Descriptors

DTC B0052 00
- Deployment Commanded

DTC B0052 56
- Deployment Commanded Too Many Transitions

Circuit/System Description

The Inflatable Restraint Sensing and Diagnostic Module (SDM) senses vehicle impacts and provides deployment signals to the air bags and anchor and/or retractor pretensioners when warranted. The Inflatable Restraint Sensing and Diagnostic Module sets DTC B0052 after each command for deployment. DTC B0052 will latch and not clear after 3 commanded deployments by the Inflatable Restraint Sensing and Diagnostic Module. Therefore the Inflatable Restraint Sensing and Diagnostic Module has to be replaced.

Conditions for Running the DTC

Ignition voltage is between 9-16 V.

Conditions for Setting the DTC

* The Inflatable Restraint Sensing and Diagnostic Module detects a frontal impact of sufficient force to warrant deployment of the frontal air bags.

* The Inflatable Restraint Sensing and Diagnostic Module detects a side impact or rollover (if equipped) of sufficient force to warrant deployment of a seat side air bag and/or roof rail air bag.

Action Taken When the DTC Sets

The Inflatable Restraint Sensing and Diagnostic Module requests the instrument cluster to illuminate the AIR BAG indicator.

Conditions for Clearing the DTC

* DTC B0052 00 is a DTC that may be cleared with a scan tool without replacing the Inflatable Restraint Sensing and Diagnostic Module. This DTC will not clear if deployment has been commanded more then two times, and the Inflatable Restraint Sensing and Diagnostic Module would have to be replaced.

* DTC B0052 56 is a latched DTC. The DTC cannot be cleared with the scan tool. Replacement of the Inflatable Restraint Sensing and Diagnostic Module is required.

Reference Information

Schematic Reference

SIR Schematics [1][2]Air Bag Systems

Connector End View Reference

Component Connector End Views A/C Compressor Clutch

Description and Operation

SIR System Description and Operation SIR System

Electrical Information Reference

* Circuit Testing Circuit Testing

* Testing for Intermittent Conditions and Poor Connections Testing for Intermittent Conditions and Poor Connections

* Wiring Repairs Wiring Repairs

* Connector Repairs Connector Repairs

Scan Tool Reference

Control Module References Control Module References for scan tool information

Circuit/System Verification

1. Verify that DTC B0052 00 is not set.

• If DTC B0052 00 is set
Clear the DTC. If the DTC will not clear, replace the K36 Inflatable Restraint Sensing and Diagnostic Module.

• If DTC B0052 00 is not set

2. Verify that DTC B0052 56 is not set.

• If DTC B0052 56 is set
Replace the K36 Inflatable Restraint Sensing and Diagnostic Module.

• If DTC B0052 56 is not set

3. All OK.

Repair Instructions

Perform the Diagnostic Repair Verification Verification Tests after completing the repair.

Control Module References Control Module References for Inflatable Restraint Sensing and Diagnostic Module control module replacement, programming and setup