Powertrain
generic / SAE
P269B
Exhaust Aftertreatment Glow Plug Control Circuit / Open
The control line for the aftertreatment glow plug (used on some diesels to ignite injected HC during DPF regeneration) is open. Active regeneration cannot start.
SystemPowertrain
Typegeneric / SAE
GroupP2
Range / number6 / 9B
Possible causes
- Open coil in glow plug control relay high
- Broken control wire medium
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
Inspection / repair
- Difficulty: medium
- DIY: shop recommended
- Estimated cost: 120–700 €
- Estimated time: 0.8–3 h
- Component: aftertreatment glow plug
- Component: control module
- Component: wiring harness
- MIL / check engine light
Sources
References
sae:J2012