P06E1
Cylinder 11 Glow Plug Control Circuit High
The control line for the glow plug on cylinder 11 is open or shorted to supply - the plug cannot be heated.
- Check engine light: Yes
- Emissions related: Yes
- Repair difficulty: easy
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
Common causes
Ordered by how often each turns out to be the cause.
- Open in plug or wiringCommon
- Connector pins corroded - high contact resistanceLess likely
- Supply wire pinched against B+ sourceLess likely
Parts involved
- Glow Plug Cyl 11
P06E1 is a generic OBD-II code defined by SAE J2012. Exact wording and diagnostic procedure vary by manufacturer and model. Code definitions are drawn from the public-domain OBDex dataset; the workshop notes are our own.