P06F9
Glow Plug Control Module 2 System Voltage
P06F9 is an OBD-II diagnostic trouble code meaning: Glow Plug Control Module 2 System Voltage. Common causes: low or faulty battery, faulty generator voltage regulator. Estimated repair cost: $11–278.
Symptoms
- Check Engine light on
- Unstable operation or complete failure of GPCM2
- Difficult cold start
- Uneven heating of spark plugs during startup
- Weak battery or charging problems
Causes
- Low or faulty battery
- Faulty generator voltage regulator
- Poor contact in the GPCM2 power circuit
- GPCM2 Circuit Fuse High Resistance
- GPCM2 ground fault
How to Fix
- Check battery voltage and perform load test
- Check the voltage at the GPCM2 terminals with the ignition on and when starting the engine.
- Measure the generator voltage with the engine running (normal 13.8–14.4 V)
- Check the reliability and cleanliness of the power and ground terminals of GPCM2
- Check the GPCM2 power supply fuse
- Eliminate the identified cause of unstable power supply
Related codes
Error P06F9 by Vehicle Brand
FAQ
What does the P06F9 code mean?
P06F9 is an OBD-II diagnostic trouble code that indicates: Glow Plug Control Module 2 System Voltage
What causes a P06F9 error code?
The most common causes of P06F9 include: Low or faulty battery; Faulty generator voltage regulator; Poor contact in the GPCM2 power circuit; GPCM2 Circuit Fuse High Resistance.
How do I fix a P06F9 diagnostic trouble code?
To fix P06F9: Check battery voltage and perform load test. Check the voltage at the GPCM2 terminals with the ignition on and when starting the engine.. Measure the generator voltage with the engine running (normal 13.8–14.4 V). For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with P06F9?
Yes, but get it checked soon
How much does it cost to fix P06F9?
The estimated repair cost for P06F9 is $11–278. Actual cost depends on your vehicle, location, and labor rates.
See also: Russian version · NationStat