P3455 Code - Cylinder 7 Exhaust Valve Control Circuit Low
Quick Answer
The P3455 diagnostic trouble code (DTC) indicates that there is a problem with the exhaust valve control circuit for cylinder 7 in the engine. Common causes include Faulty exhaust valve control solenoid, Damaged wiring or connectors in the circuit, Defective engine control module (ECM). 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
- P3455 indicates Cylinder 7 Exhaust Valve Control Circuit Low.
- Common causes
- Common causes include Faulty exhaust valve control solenoid, Damaged wiring or connectors in the circuit, Defective engine control module (ECM).
- 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.
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Code P3455 Description
The P3455 diagnostic trouble code (DTC) indicates that there is a problem with the exhaust valve control circuit for cylinder 7 in the engine. This code specifically refers to a low voltage condition in the circuit, which can affect the proper operation of the exhaust valve. The exhaust valve control circuit is responsible for regulating the opening and closing of the exhaust valve in cylinder 7, which is crucial for the engine's performance and emissions control.
Common Causes of P3455
- Faulty exhaust valve control solenoid
- Damaged wiring or connectors in the circuit
- Defective engine control module (ECM)
- Corrosion or poor connections in the circuit
- Mechanical issues with the exhaust valve in cylinder 7
Symptoms of P3455
- Engine misfires
- Reduced power and acceleration
- Rough idling or stalling
- Poor fuel efficiency
- Illumination of the check engine light
How to Fix P3455
- Use a scan tool to diagnose the specific cause of the P3455 code.
- Inspect the exhaust valve control solenoid, wiring, and connectors for any damage or corrosion.
- Test the exhaust valve control solenoid for proper operation and replace if necessary.
- Repair any damaged wiring or connectors in the circuit.
- Clear the DTC and perform a test drive to ensure the issue has been resolved.
Cost to Fix P3455
The typical repair costs for addressing a P3455 code can vary depending on the specific cause of the issue. In general, replacing a faulty exhaust valve control solenoid can cost between $150 and $300, including parts and labor. If additional wiring repairs or ECM replacement are needed, the total repair cost could range from $300 to $800 or more.
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Code P3455 Information for Specific Makes
- P3455 Chrysler — Cylinder 7 Exhaust Valve Control Circuit Low
- P3455 Dodge — Cylinder 7 Exhaust Valve Control Circuit Low
- P3455 Jeep — Cylinder 7 Exhaust Valve Control Circuit Low
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