P0600 Serial Communication Link
The engine computer reports a problem communicating with another module.
Common causes
- Network wiring problem
- Faulty module
- Low voltage
Symptoms
- Several warning lights
- Limp mode
What to check
- Check battery voltage
- Check network wiring
- Scan all modules
Manufacturers may add their own detail to generic codes. If your vehicle shows a different description for P0600, follow the service information for that make and model.