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DTC codes / U03xx · Software and configuration mismatches / U0351

U0351Software Incompatibility With Active Grille Air Shutter Module D

U0351 is a network communication code indicating that a control module on the vehicle's data bus has detected a software incompatibility with the Active Grille Air Shutter Module D. The computer is not reporting a mechanical failure of the shutter itself, but rather that the software version, calibration, or configuration of the shutter module does not match what the master controller expects.

SystemNetwork
Code typeGeneric (all makes)
SeverityLow
Fix difficultyProfessional
AreaSoftware and configuration mismatches

Guidance is general and written for all OBD-II vehicles. Exact tests and values vary by model, so confirm the fault before replacing parts.

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