P260EParticulate Filter Regeneration Lamp Control Circuit
- Generic OBD-II code · Powertrain
- Matters for the ITP
- How the car detects it
- Diesel machines often have a separate dashboard lamp that tells the operator a particulate filter regeneration is needed or running. P260E covers the circuit that switches this lamp. Deutz documents it for its EMR5/MD1 engine controllers: fault type 11 (J1939 SPN 3697, FMI 4) means the lamp output reads below normal or is shorted to ground, type 12 (FMI 3) means it is too high or shorted to the supply. Deutz engines go into tractors, construction and other off-road equipment, so the code is mostly met there. For on-road heavy-duty engines CARB section 1971.1 requires electrical checks of such output components. A failed lamp output does not affect the filter itself, but the operator may miss a request for a parked regeneration, letting soot load build up until power is reduced.
- What you may notice
- Regeneration lamp dark or permanently lit
- Missed regeneration requests leading to high soot load
- Later power reduction by the engine controller
- Likely causes
- LikelyLamp wire shorted to ground or to supply
- PossibleLamp or bulb holder open, or lamp not fitted on this machine
- RareCorroded connector at dashboard or engine controller
- Inspection (ITP)
- Can matter for the ITP: it concerns the emissions system.
- Repair
- Medium · Often possible to do yourself.Typical cost: €20 – €300
- Related codes
Explanation from obdex (CC0), exactly as the app shows it. Guidance only; confirm with a workshop.