Error code
OBD2 U0302
OBD2U0302
Diagnostic Trouble Code· Standard OBD-II fault code read from the vehicle's onboard diagnostics.
What it means
Software Incompatibility with Transmission Control Module.
Severity
moderateCan drive, but may experience shifting issues and reduced performance.
Summary
U0302 indicates software incompatibility with the transmission control module (TCM).
Common Causes
- Software update or installation that is not compatible with the TCM
Fixes
- Reinstall or update the software to a compatible version.
Not affiliated with OBD2. Answer summarized from the manufacturer's manual linked above; consult that source for the authoritative procedure.
More OBD2 codes
- U0300Internal Control Module Software Incompatibility
- U0301Software Incompatibility with ECM/PCM
- U0303Software Incompatibility with Transfer Case Control Module
- U0304Software Incompatibility with Gear Shift Control Module
- U0305Software Incompatibility with Cruise Control Module
- U0306Software Incompatibility with Fuel Injector Control Module
- U0307Software Incompatibility with Glow Plug Control Module
- U0308Software Incompatibility with Throttle Actuator Control Module
- U0309Software Incompatibility with Alternative Fuel Control Module
- U0310Software Incompatibility with Fuel Pump Control Module
- U0311Software Incompatibility with Drive Motor Control Module
- U0312Software Incompatibility with Battery Energy Control Module A