# Service bulletin 050421006

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: 10017573
- Published by NHTSA: 2005\-11\-11
- Manufacturer's number: 050421006
- Manufacturer's date: 2005\-09\-01
- NHTSA component: POWER TRAIN:TRANSFER CASE \(4\-WHEEL DRIVE\)

## NHTSA's summary

SERVICE FOUR WHEEL DRIVE \(4WD\) LIGHT ON, DIAGNOSTIC TROUBLE CODES \(DTC\) B0790, B2725, C0359. \*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

Transmission and driveline, Transfer case

## Trouble codes named

B0790, B2725, C0359

## Vehicles listed

- 2006 HUMMER H3

## Other bulletins for the same vehicles and component

- [PIP3366C](/bulletins/10143757.md), 2018-08-20, Service bulletin: POWER TRAIN:TRANSFER CASE \(4\-WHEEL DRIVE\); POWER TRAIN:AUTOMATIC TRANSMISSION. This Preliminary information communicates to the dealer technician thatLight Duty Trucks equipped with automatic transmissions and 4 wheel drive may exhibit a condition of grinding/ratcheting type noise when shifting the automatic transmission into park while the transfer case is in 4 wheel drive low \(4LO\) range. Dealers technician\&\#39;s are advised this condition should be deemed a normal characteristic of 4WD low operation.
- [3424](/bulletins/10017299.md), 2005-11-02, Service bulletin: POWER TRAIN:TRANSFER CASE \(4\-WHEEL DRIVE\). ELECTRONIC TRANSFER CASE UNABLE TO COMPLETE SHIFT. \*TT

JSON: [/v1/bulletins/10017573](/v1/bulletins/10017573)

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