OBD-II code · Powertrain (generic)

P06F5 Glow Plug Control Module 2

A general fault on the second glow plug control module - used on engines with two banks of glow plugs.

Is it safe to drive with P06F5?

Usually safe to drive in the short term. Get it diagnosed when convenient, sooner if the car drives differently.

Common causes

  • Most likelyModule internal fault

Symptoms

  • Glow plug warning light on (often orange coil symbol)
  • Hard cold start or no start in cold weather
  • White smoke from exhaust during warm-up

Repair at a glance

Difficulty
Medium
DIY friendly
Often, with basic tools
Typical labour
1–3 h
Emissions test
Likely to fail
Parts involved
Glow Plug Control Module 2

Code data: OBDex open dataset (CC0). Labour times are typical ranges, not a quote.