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Tahoe / Yukon Service Manual

DTC B1ADC

Instrument Panel and Console Trim | Diagnostic Information and Procedures | Document ID: 5461198 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 B1ADC 49 Front Floor Console Compartment Cooler internal electronic failure Symptom Byte Information: Symptom Byte List Circuit/System Description The center console compartment cooler control module functions with the ignition ON. There is 1 switch signal circuit which controls the cooler after the ignition ON. The other signal circuit is for the indicator. The center console compartment cooler control module has a switch which turns on a LED when the center console compartment cooler control module is commanded on. Conditions for Running the DTC When the front floor console compartment cooler is commanded Conditions for Setting the DTC The internal fault detection is handled inside the control module. No external circuit diagnosis is involved. Actions Taken When the DTC Sets Center console compartment cooler= Disabled Conditions for Clearing the DTC If set as a current DTC » Replace the component: Center console compartment cooler control module Reference Information Schematic Reference Instrument Panel and Console Schematics Connector End View Reference Master Electrical Component List Description and Operation Cooler Box Description and Operation Electrical Information Reference Circuit Testing Connector Repairs Testing for Intermittent Conditions and Poor Connections Wiring Repairs Circuit/System Verification

  1. Ignition » On / Vehicle » In Service Mode
  2. Verify DTC B1ADC 49 is not set. ⇒ If the DTC is set Replace the component: K175 Front Floor Console Compartment Cooler ⇓ If the DTC is not set
  3. All OK. Repair Instructions Perform the Diagnostic Repair Verification after completing the repair: Diagnostic Repair Verification Front Floor Console Compartment Cooler Replacement For control module replacement, programming, and setup refer to: Control Module References