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DTC U0301

DTC U0301  : PGM-FI System and Transmission System Program Version Mismatch

NOTE:  Before you troubleshoot, review the general troubleshooting information - Refer to: How to Troubleshoot the Fuel and Emissions Systems, or How to Troubleshoot the A/T System .

DTC Description Confirmed DTC Pending DTC
U0301 PGM-FI System and Transmission System Program Version Mismatch    

DTC (PGM-FI)

  1. Problem verification (update)

    - 1. Update the PCM.

    - 2. Check for Pending or Confirmed DTCs with the HDS.

    DTC Description Confirmed DTC Pending DTC
    U0301 PGM-FI System and Transmission System Program Version Mismatch    

    DTC (PGM-FI)

    Is DTC U0301 indicated?

    YES 

    Replace the PCM - Refer to: PCM Removal and Installation (6-Speed A/T), ('16-'18 9-Speed A/T), or PCM Removal and Installation (9-Speed A/T) (2019 2020 2021) .

    NO 

    Update is complete.

    If any other Pending or Confirmed DTCs are indicated, go to the indicated DTC's troubleshooting.