OBD Guide

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.

Severity
Low
Can you drive?
Yes, but get it checked soon
Approx. repair cost
$17–444 (est.)

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

  1. Check the valve solenoid resistance with a multimeter (winding break)
  2. Check the voltage and presence of a control signal at the solenoid with the engine running
  3. Inspect the wiring and solenoid connector for breaks and oxidation.
  4. Check the solenoid circuit fuse
  5. If the wire is broken, repair or replace the wiring harness
  6. 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.

See also: Russian version · NationStat