Service campaign CB25-L-001
A bulletin is a manufacturer's communication to its dealers, as NHTSA indexes it. The summary is NHTSA's. The document is the manufacturer's: read it at NHTSA. A bulletin is not a recall, and listing a model year does not mean every vehicle of it is concerned.
| Type | Service campaign |
|---|---|
| NHTSA id | 11026136 |
| Published by NHTSA | 2025-12-04 |
| Manufacturer's number | CB25-L-001 |
| Manufacturer's date | 2025-11-21 |
| Campaign id or software version | V2507 |
| NHTSA component | ENGINE |
| Manufacturer's system | FUEL & EXHAUST |
NHTSA's summary
CUSTOMER SATISFACTION CAMPAIGN: IN SOME 2025MY ISUZU N-SERIES VEHICLES EQUIPPED WITH 5.2L (4HK1) DIESEL ENGINES, OPERATORS MAY EXPERIENCE AN ILLUMINATED CHECK ENGINE MALFUNCTION INDICATOR LAMP (MIL) WITH DIAGNOSTIC TROUBLE CODE (DTC) P2201 NOX SENSOR CIRCUIT PERFORMANCE SENSOR 1. WE HAVE DETERMINED A CALIBRATION ERROR IS CAUSING THIS DTC TO SET. THIS DTC MAY BE RESOLVED BY REPROGRAMMING THE ENGINE CONTROL MODULE (ECM) AND DEF CONTROL UNIT (DCU) WITH REVISED CALIBRATIONS.
The document
The document is the manufacturer's. This site does not hold it. NHTSA files a document at one of these two addresses; we have not asked NHTSA which.
Components
Engine
Trouble codes named
P2201
| ISUZU N-SERIES | 2025 |
|---|
Listing a model year does not mean every vehicle of it is concerned: the document says which.