OBD Guide

P06FA

Glow Plug Control Module 2 Performance

P06FA is an OBD-II diagnostic trouble code meaning: Glow Plug Control Module 2 Performance. Common causes: degradation of internal power switches gpcm2, software glitch in gpcm2 firmware. Estimated repair cost: $22โ€“333.

Severity
๐Ÿ”ด High
Can you drive?
Yes, but get it checked soon
Approx. repair cost
$22โ€“333 (est.)

Symptoms

  • Check Engine light on
  • Ineffective heating of spark plugs of the second group
  • Difficult or unstable cold starting
  • Errors on individual candles of the second group
  • Unstable engine operation after a cold start

Causes

  • Degradation of internal power switches GPCM2
  • Software glitch in GPCM2 firmware
  • Incorrect module calibration or setup
  • Partial malfunction of current sensors inside GPCM2
  • Unstable power supply causing control errors

How to Fix

  1. Read extended GPCM2 data - warm-up time, spark plug current, module temperature
  2. Check power and grounding of GPCM2
  3. Check for ECU/GPCM2 firmware updates from the manufacturer
  4. Make sure there are no associated spark plug fault codes.
  5. Carry out a functional test of the glow plug system
  6. If necessary, replace GPCM2

Related codes

Error P06FA by Vehicle Brand

FAQ

What does the P06FA code mean?

P06FA is an OBD-II diagnostic trouble code that indicates: Glow Plug Control Module 2 Performance

What causes a P06FA error code?

The most common causes of P06FA include: Degradation of internal power switches GPCM2; Software glitch in GPCM2 firmware; Incorrect module calibration or setup; Partial malfunction of current sensors inside GPCM2.

How do I fix a P06FA diagnostic trouble code?

To fix P06FA: Read extended GPCM2 data - warm-up time, spark plug current, module temperature. Check power and grounding of GPCM2. Check for ECU/GPCM2 firmware updates from the manufacturer. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with P06FA?

Yes, but get it checked soon

How much does it cost to fix P06FA?

The estimated repair cost for P06FA is $22โ€“333. Actual cost depends on your vehicle, location, and labor rates.

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