LEMON Manuals: Even more car manuals for everyone
Home >> Cadillac >> 2021 >> XT5 Sport >> Repair and Diagnosis >> External Pages >> Different car >> Section 707 (Automatic Transmission - 10L1000 (MGM MGU) - Diagnostic Information And Procedures (2 Of 2)) >> Diagnostic Information and Procedures >> Manual Mode or Tap Up/Down Diagnosis

Manual Mode or Tap Up/Down Diagnosis

WARNING: This page is about a different car, the 2023 GMC Sierra 3500 HD and 2023 GMC Sierra 2500 HD. However, it is still accessible from the selected car via links, so may be relevant.
  1. If any DTCs are set, diagnose those DTCs first. Refer to Diagnostic Trouble Code (DTC) List - Vehicle .
  2. A high resistance in the signal circuit may not set a DTC. Symptoms could include an inoperative manual mode Tap Up/Down, or a Tap Down shift when the Tap/Up button is pressed. If the Manual Mode or Tap Up/Down does not function, refer to the Circuit/System Verification for DTC P0815, P0816, or P0826 .
scientia non olet · About LEMON Manuals