Home › Codes › Idle, computer & transmission
P0600: Serial Communication Link
Severity: High Stop or minimize driving and get it looked at right away.
What does P0600 mean?
The engine computer has lost communication with another module.
Generic OBD-II definition: Serial Communication Link. Confirm applicability in your vehicle service information.
Common causes
- Wiring/network fault
- Failing module
- Low voltage
Symptoms
- Multiple warning lights
- Drivability issues
Can I keep driving with P0600?
Severity: High Stop or minimize driving and get it looked at right away.
If the check engine light is flashing or the car runs badly, stop driving and have it checked.
Typical fixes
- Check battery voltage
- Scan all modules
- Inspect network wiring