C1201 is rated as medium severity. Schedule service — affects performance or emissions.

C1201

Engine Control System Malfunction

Q: What does code C1201 mean?

Engine Control System Malfunction: The ABS/traction control module has detected an engine control system fault. Common on Toyota — usually triggered by another powertrain code.

Chassis Code · Medium

What does C1201 mean?

The ABS/traction control module has detected an engine control system fault. Common on Toyota — usually triggered by another powertrain code.

System: ABS

C1201 is a chassis diagnostic trouble code indicating engine control system malfunction. This code is classified as medium severity, which means: schedule service — affects performance or emissions.

Diagnostic data on this page is compiled from publicly available repair resources and technical service bulletins. Always have a qualified mechanic confirm the diagnosis before authorizing repairs on your vehicle.