P1451 Code - EVAP Control System Canister Vent Solenoid Circuit Malfunction
Quick Answer
The Powertrain Control Module (PCM) monitors the Canister Vent (CV) solenoid circuit for an electrical failure. Common causes include Faulty Canister Vent Solenoid, Canister Vent Solenoid harness is open or shorted, Canister Vent Solenoid electrical circuit poor connection. Severity is High - diagnose this code as soon as possible. Driving is not recommended if the warning light is flashing, the engine runs poorly, or safety-related symptoms are present.
- What it means
- P1451 indicates EVAP Control System Canister Vent Solenoid Circuit Malfunction.
- Common causes
- Common causes include Faulty Canister Vent Solenoid, Canister Vent Solenoid harness is open or shorted, Canister Vent Solenoid electrical circuit poor connection.
- Severity
- High - diagnose this code as soon as possible.
- Can I drive?
- Driving is not recommended if the warning light is flashing, the engine runs poorly, or safety-related symptoms are present.
Code P1451 Description
What are the Possible Causes of the DTC P1451?
- Faulty Canister Vent Solenoid
- Canister Vent Solenoid harness is open or shorted
- Canister Vent Solenoid electrical circuit poor connection
- Faulty Powertrain Control Module (PCM)
How to Fix the DTC P1451?
Review the 'Possible Causes' above and visually examine the corresponding wiring harness and connectors. Check for damaged components and inspect connector pins for signs of being broken, bent, pushed out, or corroded.
What is the Cost to Diagnose the Code?
Labor: 1.0
To diagnose the P1451 code, it typically requires 1.0 hour of labor. Rates vary by location, vehicle, and shop. Many shops charge between $80–$150 per hour; dealerships and metro areas may be higher, independents may be lower.
Need more information about the P1451 code?
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Need Help with the Code?
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Information for Specific Makes
- P1451 Acura — Two Way Valve Bypass Valve Control Circuit High Voltage
- P1451 Audi — Secondary Air Injection Circuit Short To Ground
- P1451 BMW — Diagnostic Module Tank Leakage Switching Solenoid Control Circuit Signal Low
- P1451 Buick — Barometric Pressure Sensor Performance
- P1451 Cadillac — Barometric Pressure Sensor Performance
- P1451 Chevrolet — Barometric Pressure Sensor Performance
- P1451 Dodge — Diesel Particulate Filter System Performance
- P1451 Ford — EVAP Control System Canister Vent Solenoid Circuit Malfunction
- P1451 GMC — Barometric Pressure Sensor Performance
- P1451 Land Rover — Leak Detection Pump
- P1451 Lexus — Fuel Tank Pressure Sensor Range/Performance
- P1451 Lincoln — EVAP Control System Canister Vent Solenoid Circuit Malfunction
- P1451 Mazda — EVAP Canister Vent Solenoid Malfunction
- P1451 Mercury — EVAP Control System Canister Vent Solenoid Circuit Malfunction
- P1451 Saab — Evaporative Emission Pressure Sensor In Fuel Tank Range/Performance Problem
- P1451 Suzuki — Barometric Pressure Sensor Performance
- P1451 Toyota — Fuel Tank Pressure Sensor Range/Performance
- P1451 Volkswagen — Secondary Air Injection Circuit Short To Ground
Frequently Asked Questions about P1451 Code
No Frequently Asked Questions about P1451 Code found.
Discuss the causes and fixes for P1451 OBDII Code
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I have a p1451 code on my 2002 ford explorer. Someone suggested changing the purge vent valve. Is this a common cause of the Problem?.. Where is this part located on the truck?
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