OBD Guide
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P069D

Cylinder 10 Glow Plug Control Circuit High

P069D is an OBD-II diagnostic trouble code meaning: Cylinder 10 Glow Plug Control Circuit High. Common causes: broken glow plug control wire for cylinder 10, control wire short circuit to power. Estimated repair cost: $6–33.

Severity
⚠️ Medium
Can you drive?
Yes, but get it checked soon
Approx. repair cost
$6–33 (est.)

Symptoms

  • Difficult or impossible starting at low temperatures
  • Increased level of white smoke during cold start
  • Check Engine Light Illuminates
  • Unstable engine operation when warming up
  • Increased fuel consumption in cold conditions

Causes

  • Broken glow plug control wire for cylinder 10
  • Control wire short circuit to power
  • Faulty transistor switch or glow plug relay
  • Poor contact in control circuit connector
  • Internal ECU malfunction (rare)

How to Fix

  1. Read error codes, record frozen frame data
  2. Inspect the wiring and glow plug connector of cylinder 10 for breaks and damage
  3. Check the continuity of the circuit with a multimeter (continuity test)
  4. Measure the resistance of the glow plug, replace if necessary
  5. Check relay or glow plug control module
  6. After troubleshooting, reset codes and recheck

Related codes

P069CP06C1P06C2P0671P0675

Error P069D by Vehicle Brand

AcuraAudiBAICBMWBYDBuickCadillacChanganCheryChevroletChryslerCitroenDodgeDongfengExeedFAWFordForthingFotonGACGMGMCGeelyGreat WallHavalHondaHongqiHyundaiInfinitiJACJaecooJaguarJeepJetourKaiyiKiaLadaLexusLi AutoLifanLincolnLivanMazdaMercedes-BenzMercuryMitsubishiNIONissanOldsmobileOmodaOpelPeugeotPlymouthPontiacRenaultSWMSaturnSkodaSkywellSubaruSuzukiTankToyotaVolkswagenVolvoVoyahXPengZeekrZotye

FAQ

What does the P069D code mean?

P069D is an OBD-II diagnostic trouble code that indicates: Cylinder 10 Glow Plug Control Circuit High

What causes a P069D error code?

The most common causes of P069D include: Broken glow plug control wire for cylinder 10; Control wire short circuit to power; Faulty transistor switch or glow plug relay; Poor contact in control circuit connector.

How do I fix a P069D diagnostic trouble code?

To fix P069D: Read error codes, record frozen frame data. Inspect the wiring and glow plug connector of cylinder 10 for breaks and damage. Check the continuity of the circuit with a multimeter (continuity test). For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with P069D?

Yes, but get it checked soon

How much does it cost to fix P069D?

The estimated repair cost for P069D is $6–33. Actual cost depends on your vehicle, location, and labor rates.

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