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Tahoe / Yukon Service Manual

DTC C05D0

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 C05D0 Brake Master Cylinder Piston Position Sensor 1-2 Correlation Symptom Byte Information: Symptom Byte List Circuit/System Description For an overview of the component/system, refer to: ABS Description and Operation Conditions for Running the DTC Ignition/Vehicle = ON Conditions for Setting the DTC Input Rod Position 1 or Input Rod Position 2 = 2 mm (0.08 in) & Input Rod Position 1 or Input Rod Position 2 agrees with the value from the Brake Pedal Position Sensor Actions Taken When the DTC Sets A message and/or warning indicator may be displayed to the driver. Malfunction Indicator Lamp (MIL) = ON DTCs listed in the DTC Descriptor category = Type A DTC Conditions for Clearing the DTC DTCs listed in the DTC Descriptor category = Type A DTC Reference Information Schematic Reference Antilock Brake System 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 DTC Type Reference Powertrain Diagnostic Trouble Code (DTC) Type Definitions Scan Tool Reference Control Module References Circuit/System Verification

  1. Verify there are no related DTCs set in the following system: Stop Lamps ⇒ If the DTC is set Refer to: Diagnostic Trouble Code (DTC) List - Vehicle ⇓ If the DTC is not set
  2. Test or inspect for the following: Brake Pedal = Binding or Sticking Refer to: Brake System Slow Release
  3. Ignition/Vehicle » Off
  4. Ignition » On / Vehicle » In Service Mode
  5. Verify DTC C05D0 is not set. ⇒ If the DTC sets Replace the component: A104 Brake Master Cylinder ⇓ If the DTC is not set
  6. All OK. Repair Instructions Perform the Diagnostic Repair Verification after completing the repair: Diagnostic Repair Verification Brake Master Cylinder Replacement - With Power Brake Booster and Electronic Brake Control Module For control module replacement, programming, and setup refer to: Control Module References