garajizOBD-II code · generic
U0309
Software Incompatibility with Alternative Fuel Control Module
- System
- U — In-vehicle network
- Severity
- Moderate (3/5)
- Can I keep driving?
- Drive with caution
What does U0309 mean?
U0309 is defined as “Software Incompatibility with Alternative Fuel Control Module”.
Drive gently and only as far as you need to; have it checked as soon as possible.
Related codes
- U0304Software Incompatibility with Gear Shift Control Module
- U0303Software Incompatibility with Transfer Case Control Module
- U0302Software Incompatibility with Transmission Control Module
- U0301Software Incompatibility with ECM/PCM
- U0311Software Incompatibility with Drive Motor Control Module
- U0300Internal Control Module Software Incompatibility
Look up another code
This page is general information; an exact diagnosis needs measurements and a technician’s check.