ISUZU
SB25-L-001
Manufacturer communications
- Publication date
- 2025-10-08
- Received by NHTSA
- 2025-11-07
- NHTSA record numbers
- 11025201
Manufacturer summary
Original wording in English
SERVICE BULLETIN: THE ENGINE CONTROL MODULE AND THE DIESEL EXHAUST FLUID CONTROL UNIT OF CERTAIN 2025MY N-DIESEL VEHICLES CONTAINED INCORRECT LOGIC THAT MAY UNNECESSARILY CAUSE DTC P2201 NOX SENSOR CIRCUIT PERFORMANCE SENSOR 1 TO SET AND ILLUMINATE THE MALFUNCTION INDICATOR LIGHT. THIS DTC MAY BE RESOLVED BY REPROGRAMMING BOTH ECM AND THE DCU WITH REVISED SERVICE CALIBRATIONS.
Reported code forms
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| Make | Model | Model year |
|---|---|---|
| Isuzu | N-SERIES | 2025 |