OBD2 code U0346: Module software incompatibility
Software incompatibility between modules.
Detected Root Component
Network Component
Observed Symptoms
- Loss of communication between modules
- Dashboard errors
Possible Causes
- Software version incompatibility
- Incorrect module configuration
- Obsolete calibration
Tools Required
Interactive Diagnostic
Answer each question to calculate your diagnostic score.
No steps available.
Diagnostic Result
Score threshold guide
Was this diagnostic helpful?
Parts likely to be the cause (Moteur (général))
Moteur (général)
Photo d'illustration : Moteur (général)
© DTC-Logic.com
Click on an image to enlarge
Frequently asked questions about code U0346
What does code U0346 mean? ▾
OBD2 code U0346: Module software incompatibility. Software incompatibility between modules.
What are the symptoms of code U0346? ▾
Code U0346 may cause: Loss of communication between modules, Dashboard errors. The intensity of these symptoms varies depending on the vehicle and driving conditions.
What causes code U0346? ▾
The most common causes of code U0346 are: Software version incompatibility, Incorrect module configuration, Obsolete calibration. A proper OBD2 diagnostic will pinpoint the exact cause.
Is it serious to drive with code U0346? ▾
Code U0346 has moderate severity (Warning). Short-term driving remains possible, but a prompt check is recommended to prevent worsening.
How do I fix code U0346? ▾
Start by reading the code with an OBD2 scanner, then follow the interactive decision tree on this page. Priority causes to check: Software version incompatibility, Incorrect module configuration, Obsolete calibration. Difficulty: Medium · Estimated time: 30-60min.