P269EExhaust Aftertreatment Glow Plug Control Circuit High
Voltage on the aftertreatment glow plug control line is above the expected window. Wiring faults of this kind typically come from chafing, water ingress at connector seals, or pin push-back — a wiggle test on the harness while the code is active often confirms the location.
Can I keep driving? With caution
You can drive to the shop, but do not postpone the repair. The problem may worsen and damage other components.
Sistema Afectado
Motor · Powertrain
La falla pertenece al grupo motopropulsor (motor y gestión electrónica).
Espacio para vendedores de repuestos
Aún no hay un anunciante en este espacio.
Symptoms You Will Notice
What you may observe when this code appears
- 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
Possible Causes
The components or conditions that trigger this code
- 1Control wire shorted to B+ Open relay coil Connector pins corroded - high contact resistance
How to Fix It — Step by Step
Recommended diagnostic and repair procedure
- 1Difficulty: medium. Estimated time: 0.8-2.5 hours. Estimated cost: €100-€
- 2Professional repair recommended
Note: This information is for general reference. For precise diagnostics and safety repairs, always consult a certified mechanic.
Estimated Cost
Approximate range in USD (varies by region and shop)
Varies by diagnosis
* Diagnosis only: $50–$150
Quick Info
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