Code result
P0A1B
Drive Motor A Control Module Performance
High severity
What it means
The drive motor a control module reports a generic fault. Internal self-tests fail or response time outside calibration.
Is it safe to drive?
No — stop driving
This code can put the vehicle into limp or reduced-power mode. Avoid extended driving and have the vehicle diagnosed promptly.
Most likely causes
Internal module fault
highOne of the most commonly reported causes for this code — check this first.
Communication degraded
mediumA plausible cause — test and verify before replacing parts.
Module software outdated, reflash may resolve
lowLess common, but worth ruling out after the more likely causes.
Related help
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