# Service bulletin TIBU728100

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: 10117884
- Published by NHTSA: 2017\-09\-20
- Manufacturer's number: TIBU728100
- Manufacturer's date: 2013\-09\-11
- NHTSA component: ELECTRICAL SYSTEM: INSTRUMENT CLUSTER/PANEL

## NHTSA's summary

CT660 Instrument Gauge Cluster \- Gauges, including speedometer, tachometer, transmission oil temperature, and others are reading erratically or having incorrect values. These gauges are all part of the primary cluster on the vocational truck. Many clusters are being returned NFF. A detailed description of the actual problem in SIMSi or the claim story is needed.

## The document

- [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2013/MC-10117884-9999.pdf)
- [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2013/MC-10117884-0001.pdf)

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

## Components

Electrical system, Instrument cluster

## Vehicles listed

- 2012 to 2017 CATERPILLAR CT660

JSON: [/v1/bulletins/10117884](/v1/bulletins/10117884)

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