Cars Technical Articles - Cruise Control Inoperative, Malfunction Indicator Lamp (MIL) Illuminated DTCs P0097, P00F4, P0102, and/or P2199 Set

Cruise Control Inoperative, Malfunction Indicator Lamp (MIL) Illuminated DTCs P0097, P00F4, P0102, and/or P2199 Set

- Edited: Aug 10, 2022
- Popularity: 86 Views

Makes:

Vehicles Affected:

  • 2014-2018 Chevrolet Silverado
  • 2019-2019 Chevrolet Silverado LD
  • 2014-2018 GMC Sierra
  • 2019-2019 GMC Sierra Limited

Condition:

  • MIL is illuminated
  • Cruise control is inoperative

    You may find one or more of the following DTCs set:

  • P0097: Intake Air Temp (IAT) Sensor 2 Circuit Low Voltage in the Engine Control Module (ECM).
  • P00F4: Intake Air Humidity Sensor Circuit Low Voltage in the ECM.
  • P0102: Mass Air Flow (MAF) Sensor Circuit Low Frequency in the ECM.
  • P2199: Intake Air Temp (IAT) Sensor 1-2 Not Plausible in the ECM.

    You could also find fuse #43 open.

  • Cause:

    This condition may be caused by a short circuit near the fuel composition sensor electrical connector.

    Correction:

    Validate and inspect the engine wiring harness at the fuel composition sensor (Flexible Fuel Sensor), follow the repair below to cut the wire, and cap it off.

    Service Procedure:

    1. Raise the vehicle.

    2. With a suitable light, inspect the wiring harness. Located along driver’s side frame rail near electronic brake control module.

    GM Cruise Control P0097 P00F4 P0102 P2199


    3. Remove the wire connection point from the frame and pull back the casing for the wire. Cut the wire an inch from the back pin and cap the wire off with a Sealed Splice Crimp Matrix.

    GM Cruise Control P0097 P00F4 P0102 P2199


    4. Using Woven Polyester Electrical Tape (PET), tape off and reseal the capped wires.

    5. Reattach the wire to the frame.