OBD Guide
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P0662

Intake Manifold Tuning Valve Control Circuit High Bank 1

P0662 is an OBD-II diagnostic trouble code meaning: Intake Manifold Tuning Valve Control Circuit High Bank 1. Common causes: short circuit of the solenoid control wire to the power wire (+12 v), damage to the insulation of the wiring harness (contact with the positive wire). Estimated repair cost: $17–222.

Severity
✅ Low
Can you drive?
Yes, but get it checked soon
Approx. repair cost
$17–222 (est.)

Symptoms

  • Check Engine light comes on
  • Intake manifold valve is constantly activated
  • Reduction in torque or power depending on valve position
  • The engine performs worse in one of the speed ranges
  • Increased fuel consumption

Causes

  • Short circuit of the solenoid control wire to the power wire (+12 V)
  • Damage to the insulation of the wiring harness (contact with the positive wire)
  • Solenoid malfunction (internal short circuit to power - extremely rare)
  • Incorrect connection after repair
  • ECU output stage malfunction

How to Fix

  1. Check the voltage at the solenoid control contact with the ignition off (there should be no power)
  2. Check the control wire for a short to positive when the connector is disconnected
  3. Inspect the wiring harness for insulation damage
  4. If the wiring is correct, check the ECU output stage
  5. Restore insulation or replace damaged wire

Related codes

P0660P0661P065EP0663P0664P0665

Error P0662 by Vehicle Brand

AcuraAudiBAICBMWBYDBuickCadillacChanganCheryChevroletChryslerCitroenDodgeDongfengExeedFAWFordForthingFotonGACGMGMCGeelyGreat WallHavalHondaHongqiHyundaiInfinitiJACJaecooJaguarJeepJetourKaiyiKiaLadaLexusLi AutoLifanLincolnLivanMazdaMercedes-BenzMercuryMitsubishiNIONissanOldsmobileOmodaOpelPeugeotPlymouthPontiacRenaultSWMSaturnSkodaSkywellSubaruSuzukiTankToyotaVolkswagenVolvoVoyahXPengZeekrZotye

FAQ

What does the P0662 code mean?

P0662 is an OBD-II diagnostic trouble code that indicates: Intake Manifold Tuning Valve Control Circuit High Bank 1

What causes a P0662 error code?

The most common causes of P0662 include: Short circuit of the solenoid control wire to the power wire (+12 V); Damage to the insulation of the wiring harness (contact with the positive wire); Solenoid malfunction (internal short circuit to power - extremely rare); Incorrect connection after repair.

How do I fix a P0662 diagnostic trouble code?

To fix P0662: Check the voltage at the solenoid control contact with the ignition off (there should be no power). Check the control wire for a short to positive when the connector is disconnected. Inspect the wiring harness for insulation damage. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with P0662?

Yes, but get it checked soon

How much does it cost to fix P0662?

The estimated repair cost for P0662 is $17–222. Actual cost depends on your vehicle, location, and labor rates.

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