OBD2 code U0578: Bus termination fault
Faulty CAN termination resistor.
Detected Root Component
Network Component
Observed Symptoms
- Loss of communication between modules
- Dashboard errors
Possible Causes
- Missing CAN termination resistor
- Damaged CAN wiring
- Corroded connector
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 U0578
What does code U0578 mean? ▾
OBD2 code U0578: Bus termination fault. Faulty CAN termination resistor.
What are the symptoms of code U0578? ▾
Code U0578 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 U0578? ▾
The most common causes of code U0578 are: Missing CAN termination resistor, Damaged CAN wiring, Corroded connector. A proper OBD2 diagnostic will pinpoint the exact cause.
Is it serious to drive with code U0578? ▾
Code U0578 has moderate severity (Warning). Short-term driving remains possible, but a prompt check is recommended to prevent worsening.
How do I fix code U0578? ▾
Start by reading the code with an OBD2 scanner, then follow the interactive decision tree on this page. Priority causes to check: Missing CAN termination resistor, Damaged CAN wiring, Corroded connector. Difficulty: Medium · Estimated time: 30-60min.