P260E
Particulate Filter Regeneration Lamp Control Circuit
The DPF regeneration warning lamp circuit is faulty. The driver may not be alerted to a required highway run that supports passive regeneration.
- Check engine light: Yes
- Emissions related: No
- Repair difficulty: easy
Symptoms
- Check engine light or DPF warning light on
- Power loss / limp mode
- Increased fuel consumption
- Failed forced regeneration attempts
Common causes
Ordered by how often each turns out to be the cause.
- Burnt-out indicator bulbCommon
- Open or shorted wire to the clusterPossible
Parts involved
- DPF Regen Lamp
- Instrument Cluster
- Wiring Harness
P260E 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.