P0660
Intake Manifold Tuning Valve Control Circuit/Open Bank 1
P0660 is an OBD-II diagnostic trouble code meaning: Intake Manifold Tuning Valve Control Circuit/Open Bank 1. Common causes: open wire in valve solenoid control circuit, broken valve solenoid winding. Estimated repair cost: $17–444.
Symptoms
- Check Engine light comes on
- Reduced torque (valve stuck open) or maximum power (valve stuck closed)
- The engine performs slightly worse in a certain rpm range
- Otherwise the engine runs fine
- Possible extraneous hum from the intake manifold
Causes
- Open wire in valve solenoid control circuit
- Broken valve solenoid winding
- Lost contact in the IMTV valve solenoid connector
- Blown solenoid circuit fuse (if equipped)
- Malfunction of the ECU output stage (rare)
How to Fix
- Check the valve solenoid resistance with a multimeter (winding break)
- Check the voltage and presence of a control signal at the solenoid with the engine running
- Inspect the wiring and solenoid connector for breaks and oxidation.
- Check the solenoid circuit fuse
- If the wire is broken, repair or replace the wiring harness
- If the solenoid is faulty, replace the IMTV valve
Related codes
Error P0660 by Vehicle Brand
FAQ
What does the P0660 code mean?
P0660 is an OBD-II diagnostic trouble code that indicates: Intake Manifold Tuning Valve Control Circuit/Open Bank 1
What causes a P0660 error code?
The most common causes of P0660 include: Open wire in valve solenoid control circuit; Broken valve solenoid winding; Lost contact in the IMTV valve solenoid connector; Blown solenoid circuit fuse (if equipped).
How do I fix a P0660 diagnostic trouble code?
To fix P0660: Check the valve solenoid resistance with a multimeter (winding break). Check the voltage and presence of a control signal at the solenoid with the engine running. Inspect the wiring and solenoid connector for breaks and oxidation.. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with P0660?
Yes, but get it checked soon
How much does it cost to fix P0660?
The estimated repair cost for P0660 is $17–444. Actual cost depends on your vehicle, location, and labor rates.
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