OBD Guide
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P1446

EVAP Canister Vent Control Valve Close

P1446 is an OBD-II diagnostic trouble code meaning: EVAP Canister Vent Control Valve Close. Common causes: canister purge valve malfunction, open or short circuit in valve control circuit. Estimated repair cost: $17–56.

Severity
⚠️ Medium
Can you drive?
Yes, but get it checked soon
Approx. repair cost
$17–56 (est.)

Symptoms

  • Check Engine light comes on
  • Unstable engine idling
  • Increased fuel consumption
  • The smell of gasoline in or around the car

Causes

  • Canister purge valve malfunction
  • Open or short circuit in valve control circuit
  • Damage to the wiring harness to the valve
  • Valve clogged or mechanically stuck
  • Valve circuit power or ground problems

How to Fix

  1. Check valve control circuit integrity
  2. Check the resistance and operation of the purge valve
  3. Inspect the wiring harness for damage
  4. Clean or replace faulty valve
  5. Reset the error code and check if it returns

Related codes

P0446P1447P0455

Error P1446 by Vehicle Brand

BMWMazdaNissanVolkswagen

FAQ

What does the P1446 code mean?

P1446 is an OBD-II diagnostic trouble code that indicates: EVAP Canister Vent Control Valve Close

What causes a P1446 error code?

The most common causes of P1446 include: Canister purge valve malfunction; Open or short circuit in valve control circuit; Damage to the wiring harness to the valve; Valve clogged or mechanically stuck.

How do I fix a P1446 diagnostic trouble code?

To fix P1446: Check valve control circuit integrity. Check the resistance and operation of the purge valve. Inspect the wiring harness for damage. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with P1446?

Yes, but get it checked soon

How much does it cost to fix P1446?

The estimated repair cost for P1446 is $17–56. Actual cost depends on your vehicle, location, and labor rates.

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See also: Russian version · NationStat