What are the common causes of P260E?

An open or short in the DPF regeneration lamp control circuit. A failed DPF regeneration lamp bulb or driver. A loose or corroded lamp control connector. A chafed regeneration lamp control wire.

Command the particulate filter regeneration lamp on a scan tool. Test the lamp control circuit for opens and shorts. Check the lamp bulb and socket. Inspect the lamp control connector. Replace the regeneration lamp control driver if the bulb and wiring test good. Clear the code and retest.

P260E

Particulate Filter Regeneration Lamp Control Circuit

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

What it means

P260E means Particulate Filter Regeneration Lamp Control Circuit.

Check these first

An open or short in the DPF regeneration lamp control circuit
A failed DPF regeneration lamp bulb or driver
A loose or corroded lamp control connector
A chafed regeneration lamp control wire

What to do next

Command the particulate filter regeneration lamp on a scan tool
Test the lamp control circuit for opens and shorts
Check the lamp bulb and socket
Inspect the lamp control connector
Replace the regeneration lamp control driver if the bulb and wiring test good
Clear the code and retest

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Updated

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