OBD Guide
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P036E

Ignition H Control Signal Circuit Low

P036E is an OBD-II diagnostic trouble code meaning: Ignition H Control Signal Circuit Low. Common causes: open or short circuit in control circuit wiring harness, faulty ignition coil. Estimated repair cost: $56–222.

Severity
⚠️ Medium
Can you drive?
Limited driving only, diagnose soon
Approx. repair cost
$56–222 (est.)

Symptoms

  • Misfire in one of the cylinders
  • Reduced engine power
  • Increased fuel consumption
  • Rough idling
  • Check Engine Light Is On
  • Possible difficulty starting

Causes

  • Open or short circuit in control circuit wiring harness
  • Faulty ignition coil
  • Poor contact in coil or ECU connectors
  • Problems with power or ground of the ignition coil
  • Engine ECU malfunction
  • Contact corrosion
  • Damage to wire insulation

How to Fix

  1. Check the condition of the control circuit wiring harness for damage.
  2. Check the ignition coil and ECU connectors for oxidation and connection reliability.
  3. Measure the resistance of the ignition coil
  4. Check the power and ground of the ignition coil
  5. If necessary, replace the ignition coil
  6. If the problem persists, you can check the ECU output signal with an oscilloscope
  7. As a last resort, replace the engine ECU

Related codes

P0300P0301P0302P0303P0304P0351P0352P0353P0354

Error P036E by Vehicle Brand

AcuraAudiBAICBMWBYDBuickCadillacChanganCheryChevroletChryslerCitroenDodgeDongfengExeedFAWFordForthingFotonGACGMGMCGeelyGreat WallHavalHondaHongqiHyundaiInfinitiJACJaecooJaguarJeepJetourKaiyiKiaLadaLexusLi AutoLifanLincolnLivanMazdaMercedes-BenzMercuryMitsubishiNIONissanOldsmobileOmodaOpelPeugeotPlymouthPontiacRenaultSWMSaturnSkodaSkywellSubaruSuzukiTankToyotaVolkswagenVolvoVoyahXPengZeekrZotye

FAQ

What does the P036E code mean?

P036E is an OBD-II diagnostic trouble code that indicates: Ignition H Control Signal Circuit Low

What causes a P036E error code?

The most common causes of P036E include: Open or short circuit in control circuit wiring harness; Faulty ignition coil; Poor contact in coil or ECU connectors; Problems with power or ground of the ignition coil.

How do I fix a P036E diagnostic trouble code?

To fix P036E: Check the condition of the control circuit wiring harness for damage.. Check the ignition coil and ECU connectors for oxidation and connection reliability.. Measure the resistance of the ignition coil. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with P036E?

Limited driving only, diagnose soon

How much does it cost to fix P036E?

The estimated repair cost for P036E is $56–222. Actual cost depends on your vehicle, location, and labor rates.

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