P06FD
Glow Plug Control Module 2 to PCM Communication Circuit Range/Performance
Generic OBD-II
Common symptoms
What you'll notice
- Check and ensure all electrical connections related to the glow plug control module are secure and free from corrosion.
- Inspect the glow plugs and replace any that are faulty or worn out.
- Verify that the glow plug control module is functioning correctly and replace if necessary.
- If all else fails, consider replacing the PCM and/or Glow Plug Montrol Module
Common causes
Most likely first
- Faulty glow plug control module
- Wiring or connection issue between the glow plug control module and the PCM
- PCM malfunctioning or not properly communicating with the glow plug control module
- Faulty glow plugs
- Electrical problem within the circuitry related to glow plug control module and PCM
How to diagnose & fix
Work through it in order
- Check engine light illuminates on the dashboard
- Vehicle or motorcycle struggles to start or has difficulty starting
- Reduction in engine power or performance
- Ignition misfires or engine stalling
- Increased fuel consumption or decreased fuel efficiency
Read & clear P06FD yourself
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