OBD Guide
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P06FB

Glow Plug Control Module 2 Memory Checksum Error

P06FB is an OBD-II diagnostic trouble code meaning: Glow Plug Control Module 2 Memory Checksum Error. Common causes: gpcm2 flash memory damage due to voltage drop, exposure to static electricity. Estimated repair cost: $17–333.

Severity
🔴 High
Can you drive?
Yes, but get it checked soon
Approx. repair cost
$17–333 (est.)

Symptoms

  • Check Engine light on
  • GPCM2 does not control spark plugs of the second group
  • Difficult cold starting of diesel
  • Error codes for cylinders of the second bank
  • The pre-heating lamp does not work normally

Causes

  • GPCM2 Flash Memory Damage Due to Voltage Drop
  • Exposure to static electricity
  • Physical wear and tear of memory cells after long-term use
  • Moisture getting into the internal circuits of the module
  • Poor quality power supply to the on-board network (surges when lighting a cigarette)

How to Fix

  1. Check the quality of power supply of the on-board network (for voltage surges)
  2. Check the condition of the battery and generator voltage regulator
  3. Try to reset the error - in rare cases, a one-time failure can be resolved by rebooting
  4. If the error returns, replace GPCM2
  5. Make sure the new module is programmed correctly
  6. Check the spark plug system after replacement

Related codes

P06DFP06F5P06FAP06F6P0670

Error P06FB by Vehicle Brand

AcuraAudiBAICBMWBYDBuickCadillacChanganCheryChevroletChryslerCitroenDodgeDongfengExeedFAWFordForthingFotonGACGMGMCGeelyGreat WallHavalHondaHongqiHyundaiInfinitiJACJaecooJaguarJeepJetourKaiyiKiaLadaLexusLi AutoLifanLincolnLivanMazdaMercedes-BenzMercuryMitsubishiNIONissanOldsmobileOmodaOpelPeugeotPlymouthPontiacRenaultSWMSaturnSkodaSkywellSubaruSuzukiTankToyotaVolkswagenVolvoVoyahXPengZeekrZotye

FAQ

What does the P06FB code mean?

P06FB is an OBD-II diagnostic trouble code that indicates: Glow Plug Control Module 2 Memory Checksum Error

What causes a P06FB error code?

The most common causes of P06FB include: GPCM2 Flash Memory Damage Due to Voltage Drop; Exposure to static electricity; Physical wear and tear of memory cells after long-term use; Moisture getting into the internal circuits of the module.

How do I fix a P06FB diagnostic trouble code?

To fix P06FB: Check the quality of power supply of the on-board network (for voltage surges). Check the condition of the battery and generator voltage regulator. Try to reset the error - in rare cases, a one-time failure can be resolved by rebooting. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with P06FB?

Yes, but get it checked soon

How much does it cost to fix P06FB?

The estimated repair cost for P06FB is $17–333. Actual cost depends on your vehicle, location, and labor rates.

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