P2DDA
EVAP System Leak Detection Pump Performance/Stuck Off
The EVAP leak detection pump does not start when commanded. Motor seized, relay failure, or driver fault.
The EVAP leak detection pump does not start when commanded. Motor seized, relay failure, or driver fault.
Common causes
- high
Pump motor seized
One of the most commonly reported causes for this code — check this first.
Typical part cost: $90-550
- medium
Pump relay failed
A plausible cause — test and verify before replacing parts.
Typical part cost: $90-550
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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 P2DDA mean?
P2DDA means "EVAP System Leak Detection Pump Performance/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 P2DDA?
pump motor seized; pump relay failed; 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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