P3476 Code - Cylinder 10 Deactivation/Intake Valve Control Circuit High
Quick Answer
The P3476 diagnostic trouble code (DTC) indicates an issue with the Cylinder 10 Deactivation/Intake Valve Control Circuit being high. Common causes include Faulty wiring harness, Malfunctioning intake valve control solenoid, ECM issues. 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
- P3476 indicates Cylinder 10 Deactivation/Intake Valve Control Circuit High.
- Common causes
- Common causes include Faulty wiring harness, Malfunctioning intake valve control solenoid, ECM issues.
- 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 P3476 Description
The P3476 diagnostic trouble code (DTC) indicates an issue with the Cylinder 10 Deactivation/Intake Valve Control Circuit being high. This code typically affects vehicles equipped with Variable Valve Timing (VVT) systems, where the engine control module (ECM) can deactivate specific cylinders to improve fuel efficiency and reduce emissions. In this case, Cylinder 10 is not deactivating properly, which can lead to poor engine performance, reduced fuel economy, and increased emissions output.
Common Causes of P3476
- Faulty wiring harness
- Malfunctioning intake valve control solenoid
- ECM issues
- Poor electrical connection
- Mechanical failure within the VVT system
Symptoms of P3476
- Engine misfires
- Rough idling
- Reduced fuel economy
- Check engine light illuminated
- Increased emissions output
How to Fix P3476
- Perform a visual inspection of the wiring harness and connections to check for any visible damage or corrosion.
- Test the intake valve control solenoid to ensure it is functioning correctly. Replace if necessary.
- Use a multimeter to check the voltage at the intake valve control circuit to determine if it is within the specified range. Repair any wiring issues or replace components as needed.
- Clear the DTC and perform a test drive to verify that the issue has been resolved.
- If the problem persists, further diagnostics may be needed to identify any underlying mechanical issues within the VVT system.
Cost to Fix P3476
The cost of repairing a Cylinder 10 Deactivation/Intake Valve Control Circuit High issue can vary depending on the specific cause of the problem and the labor rates in your area. On average, you can expect to pay between $200 and $500 for parts and labor. Keep in mind that diagnostic time and labor rates can vary, so it's best to consult with a trusted mechanic or auto repair shop for a more accurate estimate based on your vehicle's make and model.
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Code P3476 Information for Specific Makes
- P3476 Chrysler — Cylinder 10 Deactivation/Intake Valve Control Circuit High
- P3476 Dodge — Cylinder 10 Deactivation/Intake Valve Control Circuit High
- P3476 Jeep — Cylinder 10 Deactivation/Intake Valve Control Circuit High
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