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DTC Troubleshooting: U0301 (PGM - FI System (3.5L Engine))
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Overview
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DTC Troubleshooting: U0301 (PGM - FI System (3.5L Engine)): Overview
If the software version in the PCM for the PGM-FI system and the software versions of other units are mismatched, the PCM determines an abnormality and stores the DTC.