P2DD9
EVAP System Leak Detection Pump Control Circuit Performance
The EVAP leak detection pump control circuit reports a performance condition. Pump response or current draw outside calibration.
The EVAP leak detection pump control circuit reports a performance condition. Pump response or current draw outside calibration.
Common causes
- high
Pump output degraded
One of the most commonly reported causes for this code — check this first.
Typical part cost: $90-550
- medium
High-resistance contact
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 P2DD9 mean?
P2DD9 means "EVAP System Leak Detection Pump Control Circuit Performance". It is a generic OBD-II code that points to a fault in the auxiliary emission controls.
What are the most common causes of P2DD9?
pump output degraded; high-resistance contact — 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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