Code result
P0C18
Drive Motor B Position Sensor Not Learned
Moderate severity
What it means
The hybrid control module has not learned the rotor position offset for drive motor B. Phase commutation cannot be optimised until learning completes.
Is it safe to drive?
Use caution
The vehicle is usually drivable for short distances, but the problem can worsen or affect emissions. Diagnose and repair as soon as practical.
Most likely causes
Adaptation lost after battery disconnect
highOne of the most commonly reported causes for this code — check this first.
Sensor replaced without learn procedure
mediumA plausible cause — test and verify before replacing parts.
Related help
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