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Home >> Chevrolet >> 2021 >> Trailblazer RS, 4WD >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 10 (Engine Controls And Fuel - 1.0L (L4B L4F L4G LIJ) Or 1.2L (L4H L4K LIF LIH) - Diagnostic Information And Procedures (2 Of 2)) >> Diagnostic Information and Procedures >> DTC P0700 or P25A2 >> Circuit/System Verification

Circuit/System Verification

WARNING: This page is about a different variant/trim than selected.
    NOTE:
    • Do NOT replace the control module if DTC P0700, P25A2 is set.
    • DTC P0700, P25A2 is an informational DTC.
    • Correct any Engine Controls and Serial Data DTCs before diagnosing the following system/component DTCs:
      • Brakes
      • Transmission
  1. Verify there are no DTCs set related to the following component/system:
    • Engine Controls and Fuel
    • Serial Data
    • Go to next step: If a related DTC is not set 
  2. Verify there are no DTCs set related to the following component/system:
    • Brakes
    • Transmission
    • Go to next step: If a related DTC is not set 
  3. Operate the vehicle within the Conditions for Running the DTC. You may also operate the vehicle within the conditions that you observed from the Freeze Frame/Failure Records data.

    Verify no other DTCs are set.

    • Go to next step: If no other DTCs are set 
  4. All OK.