OBD Guide
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P06C5

Cylinder 1 Glow Plug Incorrect

P06C5 is an OBD-II diagnostic trouble code meaning: Cylinder 1 Glow Plug Incorrect. Common causes: installing a glow plug of the wrong type or manufacturer, using a non-original spark plug with excellent electrical characteristics. Estimated repair cost: $6–28.

Severity
⚠️ Medium
Can you drive?
Yes, but get it checked soon
Approx. repair cost
$6–28 (est.)

Symptoms

  • Check Engine Light Is On
  • Possibly difficult cold start
  • The computer cannot correctly control the heating of the combustion chamber of cylinder 1
  • White smoke on cold start
  • Unstable engine warm-up

Causes

  • Installing a glow plug of the wrong type or manufacturer
  • Using a non-original spark plug with excellent electrical characteristics
  • Degradation of the original spark plug with a change in its resistance
  • Error when selecting a spare part
  • Installing a spark plug with a different nominal voltage (6V instead of 12V or vice versa)

How to Fix

  1. Read error codes and record frozen frame data
  2. Determine the correct type and article number of the glow plug for a given engine from the catalog
  3. Check the characteristics of the installed spark plug (resistance, markings)
  4. Replace the spark plug with an original one or a recommended analogue with identical parameters
  5. Make sure the spark plug is tightened correctly (torque according to the manual)
  6. Reset error codes and check for errors

Related codes

P06C6P06C7P06B9P0671P0672

Error P06C5 by Vehicle Brand

AcuraAudiBAICBMWBYDBuickCadillacChanganCheryChevroletChryslerCitroenDodgeDongfengExeedFAWFordForthingFotonGACGMGMCGeelyGreat WallHavalHondaHongqiHyundaiInfinitiJACJaecooJaguarJeepJetourKaiyiKiaLadaLexusLi AutoLifanLincolnLivanMazdaMercedes-BenzMercuryMitsubishiNIONissanOldsmobileOmodaOpelPeugeotPlymouthPontiacRenaultSWMSaturnSkodaSkywellSubaruSuzukiTankToyotaVolkswagenVolvoVoyahXPengZeekrZotye

FAQ

What does the P06C5 code mean?

P06C5 is an OBD-II diagnostic trouble code that indicates: Cylinder 1 Glow Plug Incorrect

What causes a P06C5 error code?

The most common causes of P06C5 include: Installing a glow plug of the wrong type or manufacturer; Using a non-original spark plug with excellent electrical characteristics; Degradation of the original spark plug with a change in its resistance; Error when selecting a spare part.

How do I fix a P06C5 diagnostic trouble code?

To fix P06C5: Read error codes and record frozen frame data. Determine the correct type and article number of the glow plug for a given engine from the catalog. Check the characteristics of the installed spark plug (resistance, markings). For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with P06C5?

Yes, but get it checked soon

How much does it cost to fix P06C5?

The estimated repair cost for P06C5 is $6–28. Actual cost depends on your vehicle, location, and labor rates.

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