U0101
High severityLost Communication With TCM
Quick answer
U0101 (Lost Communication With TCM) means: A module lost or received invalid communication over the car's data network. Diagnose promptly. Typical Malaysia repair cost: RM300–RM1,200 (approximate).
Symptoms
- •Multiple warning lights
- •Feature unavailable
- •Possible no-start
Likely causes
- •CAN bus wiring fault
- •Failed module
- •Power/ground problem
Can I drive?
Diagnose promptly.
Estimated repair cost (Malaysia)
RM300–RM1,200 (approximate)
This is general information, not a diagnosis. AutoMalaya OBD helps explain your car’s actual scan data; a qualified mechanic may still need to inspect the vehicle.