P2AFB
Starter Relay D Stuck Off
Starter relay D reports a stuck off condition. Engine cranking can be inhibited or commanded unintentionally.
Starter relay D reports a stuck off condition. Engine cranking can be inhibited or commanded unintentionally.
Common causes
- high
Relay contacts oxidised - high resistance
One of the most commonly reported causes for this code — check this first.
Typical part cost: $30-220
- medium
Relay coil burned out
A plausible cause — test and verify before replacing parts.
Typical part cost: $30-220
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First things to check
- 1Confirm the code with a scan tool and check for additional related codes.
- 2Inspect the relevant sensors, wiring, and connectors for damage or corrosion.
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Related codes
See related trouble codes
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Frequently asked questions
What does P2AFB mean?
P2AFB means "Starter Relay D Stuck Off". It is a generic OBD-II code that points to a fault in the auxiliary emission controls.
What are the most common causes of P2AFB?
relay contacts oxidised - high resistance; relay coil burned out; carbon or debris buildup preventing free movement — these are the most commonly reported causes. Verify with a proper diagnosis before replacing parts, or use the Wrenchify app for a vehicle-specific diagnosis.
Can I keep driving with this code?
The vehicle is usually drivable for short distances, but the problem can worsen or affect emissions. Diagnose and repair as soon as practical. Use the Wrenchify app for a full diagnosis specific to your vehicle.
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