Buick Regal Owners & Service Manuals

Buick Regal: DTC B0052

Diagnostic Instructions

  • Perform the Diagnostic System Check prior to using this diagnostic procedure: Diagnostic System Check - Vehicle
  • Review the description of Strategy Based Diagnosis:Strategy Based Diagnosis
  • An overview of each diagnostic category can be found here: Diagnostic Procedure Instructions

DTC Descriptor

DTC B0052

Deployment Commanded Circuit

Symptom Byte Information: Symptom Byte List.

Circuit/System Description

Supplemental Inflatable Restraints

Conditions for Running the DTC

  • Ignition=On
  • Ignition Voltage=9 to 16 V

Conditions for Setting the DTC

Deployment Commanded

Actions Taken When the DTC Sets

Air Bag Malfunction Indicator=On

Conditions for Clearing the DTC

Use a scan tool.

Reference Information

Schematic Reference

SIR Wiring Schematics

Connector End View Reference

Component Connector End View Index

Description and Operation

Supplemental Inflatable Restraint System Description and Operation

Electrical Information Reference

  • Circuit Testing
  • Connector Repairs
  • Testing for Intermittent Conditions and Poor Connections
  • Wiring Repairs

Scan Tool Reference

Refer to Control Module References.

Circuit/System Verification

NOTE: Refer to:SIR Service Precautions.

1. Ignition - On / Vehicle - In Service Mode.

2. Refer to:Repairs and Inspections Required After a Collision.

3. Clear DTCs - Use a scan tool.

4. Verify DTC B0052 is not set.

  • If the DTC is set

Replace the component:K36 Inflatable Restraint Sensing and Diagnostic Module

  • Go to next step: If the DTC is not set

5. All OK.

Repair Instructions

Perform the Diagnostic Repair Verification after completing the repair: refer to Diagnostic Repair Verification.

For control module replacement, programming, and setup refer to: refer to Control Module References.

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