# Service bulletin SIL 08\-TR\-22

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: 10214181
- Published by NHTSA: 2022\-06\-21
- Manufacturer's number: SIL 08\-TR\-22
- Manufacturer's date: 2022\-05\-27
- NHTSA component: ENGINE AND ENGINE COOLING; EQUIPMENT ADAPTIVE/MOBILITY

## NHTSA's summary

Servicing tip for vehicles with DTC P0602

## The document

- [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2022/MC-10214181-0001.pdf)
- [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2022/MC-10214181-9999.pdf)

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

## Components

Engine, Equipment and accessories

## Trouble codes named

P0602

## Vehicles listed

- ALLISON 1000 SERIES TRANSMISSION
- ALLISON 2000 SERIES TRANSMISSION
- ALLISON 3000 SERIES TRANSMISSION
- ALLISON 4000 SERIES TRANSMISSION

JSON: [/v1/bulletins/10214181](/v1/bulletins/10214181)

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