P149D
Evaporative Emission System Shutoff Valve 2 Stuck Off
P149D is an OBD-II diagnostic trouble code meaning: Evaporative Emission System Shutoff Valve 2 Stuck Off. Common causes: evap valve stuck due to contamination, broken or damaged wires to the valve. Estimated repair cost: $13–50.
Symptoms
- Check Engine light comes on
- Problems with filling the fuel tank (refueling is interrupted)
- The smell of gasoline around the car
- Slight deterioration in engine dynamics
Causes
- EVAP valve stuck due to contamination
- Broken or damaged wires to the valve
- Malfunction of the solenoid valve itself
- Valve circuit power or ground problems
- ECU software error (rare)
How to Fix
- Valve Control Circuit Diagnostics (Power and Resistance Test)
- Checking the resistance and functionality of the EVAP valve
- Cleaning or replacing the EVAP valve
- Checking and repairing damaged wires or connectors
- Resetting the error and rechecking the system operation
Related codes
FAQ
What does the P149D code mean?
P149D is an OBD-II diagnostic trouble code that indicates: Evaporative Emission System Shutoff Valve 2 Stuck Off
What causes a P149D error code?
The most common causes of P149D include: EVAP valve stuck due to contamination; Broken or damaged wires to the valve; Malfunction of the solenoid valve itself; Valve circuit power or ground problems.
How do I fix a P149D diagnostic trouble code?
To fix P149D: Valve Control Circuit Diagnostics (Power and Resistance Test). Checking the resistance and functionality of the EVAP valve. Cleaning or replacing the EVAP valve. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with P149D?
Yes, but get it checked soon
How much does it cost to fix P149D?
The estimated repair cost for P149D is $13–50. Actual cost depends on your vehicle, location, and labor rates.
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