# Service bulletin 05520

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: 10017421
- Published by NHTSA: 2005\-11\-08
- Manufacturer's number: 05520
- Manufacturer's date: 2005\-06\-01
- NHTSA component: ENGINE AND ENGINE COOLING:ENGINE

## NHTSA's summary

PRODUCT EMISSION RECALL \- THE ENGINE CONTROL MODULE \(ECM\) MAY HAVE BEEN CONFIGURED WITHOUT CERTAIN CALIBRATION INFORMATION BECAUSE OF MISSING INJECTOR TRIM PROGRAMMING VALUES. WHEN THE ECM DOES NOT HAVE THIS INFORMATION, THE ENGINE MAY NOT MEET HORSEPOWER SPECIFICATIONS. \*TT

## The document

No address for NHTSA's copy can be built for this communication. Ask the dealer for it by the manufacturer's number.

## Components

Engine

## Vehicles listed

- 2004 to 2005 CHEVROLET KODIAK
- 2004 to 2005 CHEVROLET T6500
- 2004 to 2005 CHEVROLET T7500
- 2004 to 2005 CHEVROLET T8500
- 2004 to 2005 GMC T6500
- 2004 to 2005 GMC T7500
- 2004 to 2005 GMC T8500
- 2004 to 2005 GMC TOPKICK
- 2004 to 2005 ISUZU FTR
- 2004 to 2005 ISUZU FVR
- 2004 to 2005 ISUZU FXR

JSON: [/v1/bulletins/10017421](/v1/bulletins/10017421)

[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%2005520&page=https%3A%2F%2Fopen.wenmarpro.com%2Fbulletins%2F10017421&vehicle=Service%20bulletin%2005520)