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Home >> Chevrolet >> 2019 >> Camaro ZL1, 2D Convertible, Automatic Trans >> Repair and Diagnosis >> External Pages >> Different car >> Section 118 (Cruise Control System) >> Diagnostic Information and Procedures >> DTC P158A >> Circuit/System Verification
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Circuit/System Verification

WARNING: This page is about a different car, the 2018 Chevrolet Camaro. However, it is still accessible from the selected car via links, so may be relevant.
  1. Verify that no DTCs are set, except DTC P158A.
    • Go to next step: If only DTC P158A is set 
  2. Reprogram the K9 Body Control Module and the K20 Engine Control Module one after the other. Do not place the Ignition On/Vehicle in Service Mode between each programming event.
  3. Verify DTC P158A does not set when operating the vehicle within the conditions for running the DTC.
    • Go to next step: If the DTC does not set 
  4. All OK.
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