Code result
P2A33
AFCM Power Relay Control Circuit Low
High severity
What it means
Voltage on the AFCM power relay control line is below the expected window. Wire shorted to ground or coil short.
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
Control wire shorted to ground
highOne of the most commonly reported causes for this code — check this first.
Internal short in relay coil
mediumA plausible cause — test and verify before replacing parts.
Connector pins corroded - high contact resistance
lowLess common, but worth ruling out after the more likely causes.
Related help
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