# Service bulletin SB26\-H\-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 bulletin
- NHTSA id: 11032346
- Published by NHTSA: 2026\-05\-06
- Manufacturer's number: SB26\-H\-001
- Manufacturer's date: 2026\-04\-22
- NHTSA component: SERVICE BRAKES
- Manufacturer's system: Brakes

## NHTSA's summary

SERVICE BULLETIN \- THE ORIGINAL CALIBRATION IN THE ELECTRONIC HYDRAULIC CONTROL UNIT \(EHCU\) OF CERTAIN 2025 – 2026 MY N\-DIESEL VEHICLES CONTAINED INCORRECT LOGIC THAT MAY UNNECESSARILY CAUSE DTC C2200 \(49\) ANTI\-LOCK BRAKE MODULE INTERNAL – INTERNAL ELECTRONIC FAILURE TO SET AND ILLUMINATE THE ABS MALFUNCTION INDICATOR LIGHT \(MIL\). AN UPDATED EHCU CALIBRATION CORRECTING THIS CONCERN IS NOW AVAILABLE.

## The document

- [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2026/MC-11032346-0001.pdf)
- [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2026/MC-11032346-9999.pdf)

The document is the manufacturer's. This site does not hold it.

## Components

Brakes

## Trouble codes named

C2200

## Vehicles listed

- 2025 ISUZU N\-SERIES

JSON: [/v1/bulletins/11032346](/v1/bulletins/11032346)

[Report an error on this page](https://github.com/wenmar-pro/wenmar-open/issues/new?template=data_correction.yml&title=Data%20correction%3A%20Service%20bulletin%20SB26-H-001&page=https%3A%2F%2Fopen.wenmarpro.com%2Fbulletins%2F11032346&vehicle=Service%20bulletin%20SB26-H-001)