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Tahoe / Yukon Service Manual

DTC C006A

Diagnostic Instructions Perform the Diagnostic System Check - Vehicle prior to using this diagnostic procedure. Review Strategy Based Diagnosis for an overview of the diagnostic approach. Diagnostic Procedure Instructions provides an overview of each diagnostic category. Circuit/System Description The Yaw Rate Sensor built into the K36 Restraints Control Module identifies the transverse (lateral) and longitudinal acceleration of the vehicle and the yaw rate via the yaw rate sensor signal, to judge the vehicle operation condition and perform body ESC correspondingly. DTC Descriptor DTC C006A 92 Failed Calibration or No Calibration for End of Line of Yaw Rate Sensor Conditions for Running the DTC Ignition ON. Ignition voltage within 9V-16V Conditions for Setting the DTC Sensor calibration failed or invalid Action Taken When the DTC Sets C006A92 saved in iRBC; ESC,TCS and CBD invalid Conditions for Clearing the DTC The fault enters the historical state and the MIL is in the OFF state after the condition for setting the DTC is no longer present. One order to clear the DTC sent by the diagnostic tool is received. The next ignition MIL goes out after the fault is removed. Reference Information Connector End View Reference Component Connector End Views 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 Diagnostic Equipment References Refer to Control Module References for diagnostic equipment information. Circuit/System Testing

  1. Confirm that DTC C006A is a current DTC
  2. Confirm that DTC U3000 with failure type byte 55 or 56 is present
  3. Replace the K36 Restraints Control Module Repair Instructions Perform Diagnostic Repair Verification after completing the diagnostic procedure. Refer to Control Module References for control module replacement, setup, and programming.