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DTC C1201: Engine Control System Malfunction: Description

WARNING: This page is about a different car, the 2011 Toyota Corolla. However, it is still accessible from the selected car via links, so may be relevant.

If the engine control system is malfunctioning, VSC and TR(A)C operations are prohibited, as a fail safe function. If a normal signal is received from the engine control system, the fail safe function cancelled and the DTC will be cleared.

DTC Code DTC Detection Condition Trouble Area
C1201 Engine control system malfunction signal continues for 1 second or more. Engine control system
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