OBD Guide
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P069B

Cylinder 9 Glow Plug Control Circuit High

P069B is an OBD-II diagnostic trouble code meaning: Cylinder 9 Glow Plug Control Circuit High. Common causes: broken wire in the glow plug control circuit for cylinder 9, short circuit to power in the control circuit. Estimated repair cost: $6–44.

Severity
⚠️ Medium
Can you drive?
Yes, but get it checked soon
Approx. repair cost
$6–44 (est.)

Symptoms

  • Difficulty starting the engine at low temperatures
  • White smoke on cold start
  • Check Engine Light Is On
  • Increased fuel consumption during warm-up
  • Engine vibration when starting in cold weather

Causes

  • Broken wire in the glow plug control circuit for cylinder 9
  • Short circuit to power in the control circuit
  • Malfunction of the transistor switch of the spark plug control module
  • Oxidation or poor connector contact
  • Faulty glow plug relay

How to Fix

  1. Read error codes and record frozen frame parameters
  2. Inspect the wiring of the glow plug circuit of cylinder 9, identify insulation damage
  3. Check glow plug resistance (0.5–2 Ohm), replace if necessary
  4. Check for an open circuit using a multimeter (continuity test)
  5. Check relay and glow plug control module, replace if necessary
  6. Clean the connectors, eliminate identified faults, reset codes and check the result

Related codes

P069AP06B9P06BAP0671P0672

Error P069B by Vehicle Brand

AcuraAudiBAICBMWBYDBuickCadillacChanganCheryChevroletChryslerCitroenDodgeDongfengExeedFAWFordForthingFotonGACGMGMCGeelyGreat WallHavalHondaHongqiHyundaiInfinitiJACJaecooJaguarJeepJetourKaiyiKiaLadaLexusLi AutoLifanLincolnLivanMazdaMercedes-BenzMercuryMitsubishiNIONissanOldsmobileOmodaOpelPeugeotPlymouthPontiacRenaultSWMSaturnSkodaSkywellSubaruSuzukiTankToyotaVolkswagenVolvoVoyahXPengZeekrZotye

FAQ

What does the P069B code mean?

P069B is an OBD-II diagnostic trouble code that indicates: Cylinder 9 Glow Plug Control Circuit High

What causes a P069B error code?

The most common causes of P069B include: Broken wire in the glow plug control circuit for cylinder 9; Short circuit to power in the control circuit; Malfunction of the transistor switch of the spark plug control module; Oxidation or poor connector contact.

How do I fix a P069B diagnostic trouble code?

To fix P069B: Read error codes and record frozen frame parameters. Inspect the wiring of the glow plug circuit of cylinder 9, identify insulation damage. Check glow plug resistance (0.5–2 Ohm), replace if necessary. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with P069B?

Yes, but get it checked soon

How much does it cost to fix P069B?

The estimated repair cost for P069B is $6–44. Actual cost depends on your vehicle, location, and labor rates.

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See also: Russian version · NationStat