OBD Guide
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P0665

Intake Manifold Tuning Valve Control Circuit High Bank 2

P0665 is an OBD-II diagnostic trouble code meaning: Intake Manifold Tuning Valve Control Circuit High Bank 2. Common causes: short circuit of the control wire to the power wire (+12 v), bank 2 wiring harness insulation damaged. 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
  • Bank 2 valve is constantly activated
  • Bank 2 Power or Torque Reduction
  • Minor asymmetry in engine operation
  • Possible overheating of the solenoid

Causes

  • Short circuit of the control wire to the power wire (+12 V)
  • Bank 2 wiring harness insulation damaged
  • Incorrect wire connection after repair
  • ECU output stage malfunction (bank 2 control)
  • Contact of the wire with hot parts of the engine, leading to melting of the insulation

How to Fix

  1. Check the voltage at the control contact of bank 2 solenoid with the ignition off
  2. Check the control wire for a short to positive when the connector is disconnected
  3. Inspect bank 2 wiring harness for insulation damage
  4. Check the output stage of the ECU if the external wiring is in good condition
  5. Restore insulation or replace damaged wire

Related codes

P0663P0664P065FP0660P0661P0662

Error P0665 by Vehicle Brand

AcuraAudiBAICBMWBYDBuickCadillacChanganCheryChevroletChryslerCitroenDodgeDongfengExeedFAWFordForthingFotonGACGMGMCGeelyGreat WallHavalHondaHongqiHyundaiInfinitiJACJaecooJaguarJeepJetourKaiyiKiaLadaLexusLi AutoLifanLincolnLivanMazdaMercedes-BenzMercuryMitsubishiNIONissanOldsmobileOmodaOpelPeugeotPlymouthPontiacRenaultSWMSaturnSkodaSkywellSubaruSuzukiTankToyotaVolkswagenVolvoVoyahXPengZeekrZotye

FAQ

What does the P0665 code mean?

P0665 is an OBD-II diagnostic trouble code that indicates: Intake Manifold Tuning Valve Control Circuit High Bank 2

What causes a P0665 error code?

The most common causes of P0665 include: Short circuit of the control wire to the power wire (+12 V); Bank 2 wiring harness insulation damaged; Incorrect wire connection after repair; ECU output stage malfunction (bank 2 control).

How do I fix a P0665 diagnostic trouble code?

To fix P0665: Check the voltage at the control contact of bank 2 solenoid with the ignition off. Check the control wire for a short to positive when the connector is disconnected. Inspect bank 2 wiring harness for insulation damage. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with P0665?

Yes, but get it checked soon

How much does it cost to fix P0665?

The estimated repair cost for P0665 is $17–222. Actual cost depends on your vehicle, location, and labor rates.

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See also: Russian version · NationStat