# Service bulletin TSB\-ENG166

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: 10109840
- Published by NHTSA: 2017\-08\-02
- Manufacturer's number: TSB\-ENG166
- Manufacturer's date: 2017\-04\-25
- NHTSA component: ELECTRICAL SYSTEM:STARTER ASSEMBLY; ELECTRICAL SYSTEM:ALTERNATOR/GENERATOR/REGULATOR

## NHTSA's summary

TSB: SERVICE ACTION: HYBRID STARTER GENERATOR \(HSG\) PULLEY NUT INSPECTION AND/OR HSG REPLACEMENT \(SA289\) \- This bulletin provides the procedure to inspect the Hybrid Starter Generator \(HSG\) pulley nut and, if necessary, replace the HSG assembly on certain Optima JF HEV/PHEV vehicles with a production range from May 31, 2016 to November 22, 2016, which may exhibit a loose pulley nut.

## The document

- [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2017/MC-10109840-9999.pdf)
- [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2017/MC-10109840-0001.pdf)

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

## Components

Electrical system, Alternator, Starter

## Vehicles listed

- 2017 KIA OPTIMA

## Other bulletins for the same vehicles and component

- [TSBTRA072A\_R2](/bulletins/10130105.md), 2018-03-13, Service bulletin: POWER TRAIN:AUTOMATIC TRANSMISSION; ELECTRICAL SYSTEM: INSTRUMENT CLUSTER/PANEL; ELECTRICAL SYSTEM:STARTER ASSEMBLY. TSB \- SERVICE ACTION: INHIBITOR SWITCH \- REPLACEMENT \(SA317A\) \- This bulletin has been revised to include additional information. \- This bulletin provides the procedure to replace the inhibitor switch on some 2017MY Optima \(JFa\), Sorento \(UMa\), Optima Hybrid \(HEV\), Optima Plug\-in Hybrid \(PHEV\), Sportage \(QL\), Forte \(YD\), and Sedona \(YP\), and some 2016\-2017MY Optima \(JF\) vehicles, equipped with a front wheel drive 6\-speed transmission, which may experience the following concerns: ? Malfunction Indicator Lamp \(MIL\) ON with DTC P0705 \- Transmission Range Sensor \(TRS\) Circuit Malfunction \(active or history\) ? CAN\-related DTCs \(For both Hybrids: CAN DTC C2243\); ? Intermittent no crank/no start ? Erratic or harsh shifting; ? EPB and Hold lights illuminated intermittently; ? ?Key OFF? indicated after placing the selector lever into the ?P? position and depressing the Start/Stop button.Note: When this condition occurs, the ?P? position is not indicated on the instrument cluster.

JSON: [/v1/bulletins/10109840](/v1/bulletins/10109840)

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