What does code P0600 mean?
A malfunction is detected in the serial communication link between vehicle control modules.
OBD-II Code
P0600 — Serial Communication Link Malfunction
A malfunction is detected in the serial communication link between vehicle control modules.
Common symptoms
- Intermittent dashboard warnings
- random faults
- transmission in limp mode
Possible causes
- Damaged CAN wiring
- loose connectors
- failing control module
Initial recommendation
Inspect CAN network wiring, verify continuity and identify non-communicating modules.
Safety notice
This information is for guidance only and does not replace a physical vehicle inspection or diagnosis by a qualified mechanic. If the vehicle has severe power loss, smoke, a fuel odor, overheating, brake or steering problems, or any unsafe behavior, avoid driving it and seek professional inspection.
Analyze this code with MecaOBD
Use the app to combine code P0600 with your vehicle's actual symptoms for more complete diagnostic guidance.
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