OBD Guide
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P06DF

Glow Plug Control Module 1 Memory Checksum Error

P06DF is an OBD-II diagnostic trouble code meaning: Glow Plug Control Module 1 Memory Checksum Error. Common causes: damage to the flash memory of the spark plug control module due to voltage drop, exposure to electromagnetic interference. Estimated repair cost: $11–278.

Severity
🔴 High
Can you drive?
Yes, but get it checked soon
Approx. repair cost
$11–278 (est.)

Symptoms

  • Check Engine light on
  • Glow plugs do not work correctly
  • Difficult cold start
  • Possible error codes for individual glow plug cylinders
  • The pre-heating lamp does not go out or light up

Causes

  • Damage to the flash memory of the spark plug control module due to voltage drop
  • Exposure to electromagnetic interference
  • Physical wear and tear of memory cells
  • Moisture getting into the internal circuits of the module
  • Poor quality power supply to the on-board network (voltage surges)

How to Fix

  1. Check the supply voltage and quality of grounding of the glow plug control module
  2. Make sure there are no voltage surges in the on-board network (check the battery and generator)
  3. Try resetting the error - in rare cases, a one-time memory failure can be eliminated by resetting
  4. If the error returns, replace the glow plug control module 1
  5. Make sure that the new module is flashed with the correct firmware version
  6. Check the operation of the glow plug system after replacement

Related codes

P06E5P06FBP0670P0671P0672

Error P06DF by Vehicle Brand

AcuraAudiBAICBMWBYDBuickCadillacChanganCheryChevroletChryslerCitroenDodgeDongfengExeedFAWFordForthingFotonGACGMGMCGeelyGreat WallHavalHondaHongqiHyundaiInfinitiJACJaecooJaguarJeepJetourKaiyiKiaLadaLexusLi AutoLifanLincolnLivanMazdaMercedes-BenzMercuryMitsubishiNIONissanOldsmobileOmodaOpelPeugeotPlymouthPontiacRenaultSWMSaturnSkodaSkywellSubaruSuzukiTankToyotaVolkswagenVolvoVoyahXPengZeekrZotye

FAQ

What does the P06DF code mean?

P06DF is an OBD-II diagnostic trouble code that indicates: Glow Plug Control Module 1 Memory Checksum Error

What causes a P06DF error code?

The most common causes of P06DF include: Damage to the flash memory of the spark plug control module due to voltage drop; Exposure to electromagnetic interference; Physical wear and tear of memory cells; Moisture getting into the internal circuits of the module.

How do I fix a P06DF diagnostic trouble code?

To fix P06DF: Check the supply voltage and quality of grounding of the glow plug control module. Make sure there are no voltage surges in the on-board network (check the battery and generator). Try resetting the error - in rare cases, a one-time memory failure can be eliminated by resetting. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with P06DF?

Yes, but get it checked soon

How much does it cost to fix P06DF?

The estimated repair cost for P06DF is $11–278. Actual cost depends on your vehicle, location, and labor rates.

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