OBD Guide
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P06DC

Engine Oil Pressure Control Circuit High

P06DC is an OBD-II diagnostic trouble code meaning: Engine Oil Pressure Control Circuit High. Common causes: shorting the valve control signal wire to the power wire, damage to wire insulation in the harness. Estimated repair cost: $17–111.

Severity
🔴 High
Can you drive?
Yes, but get it checked soon
Approx. repair cost
$17–111 (est.)

Symptoms

  • Check Engine light on
  • Constant high or low oil pressure
  • Increased fuel consumption due to suboptimal oil pressure
  • Unstable engine operation
  • Noise in the lubrication system

Causes

  • Shorting the valve control signal wire to the power wire
  • Damage to wire insulation in the harness
  • Internal short in valve coil
  • ECU output stage malfunction
  • Incorrectly performed previous wiring repairs

How to Fix

  1. Measure the voltage at the control terminal of the valve connector with the ignition on
  2. If the voltage is constantly high, check the insulation of the control signal wire
  3. Inspect the harness for abrasions and points of contact between different wires
  4. Disconnect the ECU connector and check for a short in the circuit
  5. Replace the valve if it is internally shorted
  6. If the wiring is correct, check the ECU output stage

Related codes

P06DAP06DBP06DDP06DEP0523

Error P06DC by Vehicle Brand

AcuraAudiBAICBMWBYDBuickCadillacChanganCheryChevroletChryslerCitroenDodgeDongfengExeedFAWFordForthingFotonGACGMGMCGeelyGreat WallHavalHondaHongqiHyundaiInfinitiJACJaecooJaguarJeepJetourKaiyiKiaLadaLexusLi AutoLifanLincolnLivanMazdaMercedes-BenzMercuryMitsubishiNIONissanOldsmobileOmodaOpelPeugeotPlymouthPontiacRenaultSWMSaturnSkodaSkywellSubaruSuzukiTankToyotaVolkswagenVolvoVoyahXPengZeekrZotye

FAQ

What does the P06DC code mean?

P06DC is an OBD-II diagnostic trouble code that indicates: Engine Oil Pressure Control Circuit High

What causes a P06DC error code?

The most common causes of P06DC include: Shorting the valve control signal wire to the power wire; Damage to wire insulation in the harness; Internal short in valve coil; ECU output stage malfunction.

How do I fix a P06DC diagnostic trouble code?

To fix P06DC: Measure the voltage at the control terminal of the valve connector with the ignition on. If the voltage is constantly high, check the insulation of the control signal wire. Inspect the harness for abrasions and points of contact between different wires. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with P06DC?

Yes, but get it checked soon

How much does it cost to fix P06DC?

The estimated repair cost for P06DC is $17–111. Actual cost depends on your vehicle, location, and labor rates.

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