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Tahoe / Yukon Service Manual

Airbag Indicator Malfunction - Passenger

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 Circuit/System Description For an overview of the component/system, refer to: Supplemental Inflatable Restraint System Description and Operation

Component Description
A103 Roof Console Some buttons and indicators are hardwired, some functions use serial data communication.
K36 Restraints Control Module The control module monitors several sensors that can detect a collision. When a collision is detected, the control module will trigger certain airbags and seat belt pretensioners, depending on the angle and severity of the impact.

Reference Information Schematic Reference SIR Schematics Connector End View Reference Master Electrical Component List Electrical Information Reference Circuit Testing Connector Repairs Testing for Intermittent Conditions and Poor Connections Wiring Repairs Scan Tool Reference Control Module References Circuit/System Verification

  1. Ignition On / Vehicle in Service Mode
  2. Verify the condition does not exist / Airbag Indicator flashing ⇒ If the condition exists Refer to: K36 Restraints Control Module: Programming and Setup ⇓ If no condition exists
  3. Verify there are no DTCs set related to the following system/component K36 Restraints Control Module ⇒ If a related DTC is set Refer to: Diagnostic Trouble Code (DTC) List - Vehicle ⇓ If a related DTC is not set
  4. Cycle ignition OFF, then ON, Vehicle in service mode. Verify the Passenger Airbag indicator On and Off both illuminate for 5 seconds. ⇒ If passenger airbag indicators do not Illuminate Replace the component: A103 Roof Console. ⇓ If the passenger airbag indicators illuminate
  5. All OK Repair Instructions Perform the Diagnostic Repair Verification after completing the repair: Diagnostic Repair Verification Roof Console Replacement For control module replacement, programming, and setup refer to: Control Module References