OBD Guide
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P06F6

Glow Plug Control Module 2 Control Circuit/Open

P06F6 is an OBD-II diagnostic trouble code meaning: Glow Plug Control Module 2 Control Circuit/Open. Common causes: broken wire in the ecu-gpcm2 communication line, oxidation or damage to the gpcm2 connector. 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
  • The spark plugs of the second group of cylinders do not work
  • Difficult cold starting at low temperatures
  • Unstable operation during warm-up
  • Error codes for cylinders of the second bank

Causes

  • Broken wire in the ECU-GPCM2 communication line
  • Oxidation or damage to the GPCM2 connector
  • GPCM2 internal circuit malfunction
  • No power or ground GPCM2
  • Internal ECU fault (GPCM2 control port)

How to Fix

  1. Check for power and ground on GPCM2
  2. Check the integrity of the control line wire from the ECU to GPCM2
  3. Inspect the GPCM2 connector for corrosion and damage
  4. Make sure that the ECU receives a response from GPCM2 (check via scanner)
  5. If there is a break, restore or replace the control line wire
  6. If there is an internal fault in GPCM2, replace the module

Related codes

P06F5P06F7P06F8P06E5P0670

Error P06F6 by Vehicle Brand

AcuraAudiBAICBMWBYDBuickCadillacChanganCheryChevroletChryslerCitroenDodgeDongfengExeedFAWFordForthingFotonGACGMGMCGeelyGreat WallHavalHondaHongqiHyundaiInfinitiJACJaecooJaguarJeepJetourKaiyiKiaLadaLexusLi AutoLifanLincolnLivanMazdaMercedes-BenzMercuryMitsubishiNIONissanOldsmobileOmodaOpelPeugeotPlymouthPontiacRenaultSWMSaturnSkodaSkywellSubaruSuzukiTankToyotaVolkswagenVolvoVoyahXPengZeekrZotye

FAQ

What does the P06F6 code mean?

P06F6 is an OBD-II diagnostic trouble code that indicates: Glow Plug Control Module 2 Control Circuit/Open

What causes a P06F6 error code?

The most common causes of P06F6 include: Broken wire in the ECU-GPCM2 communication line; Oxidation or damage to the GPCM2 connector; GPCM2 internal circuit malfunction; No power or ground GPCM2.

How do I fix a P06F6 diagnostic trouble code?

To fix P06F6: Check for power and ground on GPCM2. Check the integrity of the control line wire from the ECU to GPCM2. Inspect the GPCM2 connector for corrosion and damage. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with P06F6?

Yes, but get it checked soon

How much does it cost to fix P06F6?

The estimated repair cost for P06F6 is $17–333. Actual cost depends on your vehicle, location, and labor rates.

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See also: Russian version · NationStat