Cylinder 10 Deactivation/Intake Valve Control Circuit Low
The P3475 code indicates that the powertrain control module (PCM) has detected a low voltage condition in the cylinder 10 deactivation/intake valve control circuit. This circuit is responsible for controlling the valve that deactivates the intake valve on cylinder 10, typically in engines with cylinder deactivation technology (e.g., Active Fuel Management or Variable Cylinder Management). A low voltage reading suggests a short to ground, open circuit, or faulty component in the solenoid or wiring.
1. Most Common Causes
- Faulty cylinder 10 deactivation solenoid (internal short)
- Control circuit wiring shorted to ground
- Open circuit in solenoid voltage supply
- Loose, corroded, or damaged connector terminals at solenoid or PCM
- Faulty powertrain control module (PCM) with shorted internal driver
2. Symptoms You Will Notice
- Check Engine Light illuminated
- Engine misfire or rough idle
- Reduced fuel economy
- Possible engine hesitation or loss of power
3. Step-by-Step Diagnosis
Step 1: Use a scan tool to retrieve all codes and freeze frame data.
Step 2: Visually inspect the wiring and connector for cylinder 10 deactivation solenoid for damage, corrosion, or loose connections.
Step 3: Test the solenoid resistance with a multimeter (compare to specs, typically 20-30 ohms).
Step 4: Check for voltage at the solenoid connector with the engine running (should see battery voltage).
Step 5: If wiring and solenoid are good, test the PCM output or replace the PCM.
4. Frequently Asked Questions
Is it safe to drive with this code?▼
It is not recommended to drive long distances as it can cause engine misfire, reduced performance, and potential catalytic converter damage. Have it diagnosed promptly.
How much does it cost to fix?▼
The cost typically ranges from $50 to $150 for diagnosis and repair, depending on whether it's a wiring fix or solenoid replacement. Parts alone can be $30-$80.
5. Commonly Affected Makes
This is a generic OBD2 code, potentially applicable to any manufacturer using this diagnostic standard.