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Tahoe / Yukon Service Manual

DTC U3002

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 U3002 Vehicle Identification Number Incorrect Symptom Byte Information: Symptom Byte List Circuit/System Description For an overview of the component/system, refer to: Forward Collision Alert Description and Operation Conditions for Running the DTC Ignition/Vehicle = ON Conditions for Setting the DTC VIN Not Programmed Actions Taken When the DTC Sets Lane Keep Assist and Forward Collision Alert systems unavailable. “Service Driver Assist” message may be displayed. Conditions for Clearing the DTC The conditions for setting the DTC no longer exist. Reference Information Schematic Reference Driver Assistance Systems 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 DTC U3002 is not set. ⇒ If the DTC is set 2.1. Perform all necessary programming and setup procedures for the control module: B174W  Front View Camera - Windshield 2.2. Verify the DTC does not set. ⇒ If the DTC sets » Replace the component: B174W Front View Camera - Windshield ⇓ If the DTC is not set 2.3. All OK. ⇓ If the DTC is not set
  3. All OK. Repair Instructions Perform the Diagnostic Repair Verification after completing the repair: Diagnostic Repair Verification For control module replacement, programming, and setup refer to: Control Module References