What are the common causes of P269E?

A short to voltage on the exhaust aftertreatment glow plug control circuit. An open in the exhaust aftertreatment glow plug control return. High resistance in the exhaust aftertreatment glow plug control wiring. A failed exhaust aftertreatment glow plug.

Read exhaust aftertreatment glow plug status on a scan tool. Measure voltage on the exhaust aftertreatment glow plug control circuit. Check the exhaust aftertreatment glow plug control circuit for a short to voltage. Inspect the exhaust aftertreatment glow plug connector and wiring. Replace the exhaust aftertreatment glow plug if the circuit tests good. Clear the code and retest.

P269E

Exhaust Aftertreatment Glow Plug Control Circuit High

System: Computer output circuits (P code)
Lamp: Check Engine Light
Category: Powertrain - Computer and Auxiliary Controls

What it means

P269E means Exhaust Aftertreatment Glow Plug Control Circuit High.

Check these first

A short to voltage on the exhaust aftertreatment glow plug control circuit
An open in the exhaust aftertreatment glow plug control return
High resistance in the exhaust aftertreatment glow plug control wiring
A failed exhaust aftertreatment glow plug

What to do next

Read exhaust aftertreatment glow plug status on a scan tool
Measure voltage on the exhaust aftertreatment glow plug control circuit
Check the exhaust aftertreatment glow plug control circuit for a short to voltage
Inspect the exhaust aftertreatment glow plug connector and wiring
Replace the exhaust aftertreatment glow plug if the circuit tests good
Clear the code and retest

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Updated

Generic SAE J2012 definition. Last updated 2026-10-10.