LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Cadillac >> 2017 >> CT6 Plug-In >> Repair and Diagnosis (Single Page) >> Engine Performance >> System >> Engine Controls And Fuel - 2.0L (LTG) - DTC P0446 To DTC P2635 And Diagnostic Information And Procedures >> Diagnostic Information and Procedures >> DTC P129D: Fuel Pump Driver Control Module Ignition 1 Switch Circuit >> Circuit/System Verification
April 5, 2026: LEMON Manuals is launched! Read the announcement.

Circuit/System Verification

  1. Ignition ON.
  2. Verify DTC P129D is not set.
    • If the DTC is set 

      Refer to Circuit/System Testing.

    • If the DTC is not set 
  3. All OK.
scientia non olet · About LEMON Manuals