Service Information

Orlando

DTC B0052

Diagnostic Instructions

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

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

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

DTC Descriptors

DTC B0052 00: Deployment Commanded Malfunction

DTC B0052 56: Deployment Commanded Too Many Transitions

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 SDM sets DTC B0052 after each command for deployment. DTC B0052 will latch and not clear after 3 commanded deployments by the SDM. And therefore the SDM has to be replaced using end of life disposal procedure.

Conditions for Running the DTC

Ignition voltage is between 9-16 V.

Conditions for Setting the DTC

•	The SDM detects a frontal impact of sufficient force to warrant deployment of the frontal air bags.

•	The SDM 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 SDM requests the instrument cluster to illuminate the AIR BAG indicator.

Conditions for Clearing the DTC

•	DTC B0052 00 is a clearable DTC and may be cleared with a scan tool without replacing the SDM.

•	DTC B0052 56 is a latched DTC. The DTC cannot be cleared with the scan tool. Replacement of the SDM is required.

Reference Information

Electrical Information Reference

•	Circuit Testing

•	Testing for Intermittent Conditions and Poor Connections

•	Wiring Repairs

•	Connector Repairs

Scan Tool Reference

Control Module References for scan tool information

Circuit/System Verification

Verify that DTC B0052 00 is not set.

⇒	*If DTC B0052 00 is set*

Clear the DTC.

⇓	*If DTC B0052 00 is not set*

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*

All OK.

Repair Instructions

Perform the Diagnostic Repair Verification after completing the repair.

Control Module References for SDM control module replacement, programming and setup