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Tahoe / Yukon Service Manual

DTC B19B0

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 B19B0 Head-Up Display Symptom Byte Information: Symptom Byte List Circuit/System Description For an overview of the component/system, refer to: Instrument Cluster Description and Operation Conditions for Running the DTC Ignition » On / Vehicle » In Service Mode Conditions for Setting the DTC The A11 Radio detects a malfunction with the P29 Head-Up Display Actions Taken When the DTC Sets Head-Up Display = Inoperative Conditions for Clearing the DTC The conditions for setting the DTC no longer exist. Reference Information 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 B19B0 is not set. ⇒ If the DTC is set 2.1. Perform all necessary programming and setup procedures for the control module: P29  Head-Up Display 2.2. Verify the DTC does not set. ⇒ If the DTC sets » Replace the component: P29 Head-Up Display ⇓ 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