P1451 - EVAP Control System Canister Vent Solenoid Circuit Malfunction

Repair Importance Level: 3/3
Repair Difficulty Level: 3/3  What does this mean?

P1451 Possible Causes

  • Faulty Canister Vent Solenoid
  • Canister Vent Solenoid harness is open or shorted
  • Canister Vent Solenoid electrical circuit poor connection
  • Faulty Powertrain Control Module (PCM)

First diagnose P1451 code

    Check the "Possible Causes" listed above. Visually inspect the related wiring harness and connectors. Check for damaged components and look for broken, bent, pushed out, or corroded terminals.

Cost of diagnosing the P1451 code

    Labor: 1.0

    The cost of diagnosing the P1451 code is 1.0 hour of labor. The auto repair labor rates vary widely across the country, and even within the same city. Most auto repairs shops charge between $75 and $150 per hour.

P1451 Possible Symptoms

  • Engine Light ON (or Service Engine Soon Warning Light)

P1451 Meaning

The Powertrain Control Module (PCM) monitors the Canister Vent (CV) solenoid circuit for an electrical failure. The test fails when the signal moves outside the minimum or maximum allowable calibrated parameters for a specified canister vent duty cycle by PCM command.
OBDII Code P1451 - EVAP Control System Canister Vent Solenoid Circuit Malfunction - Engine-Codes.com

P1451 More Information

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P1451 Information for specific makes

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