# Service bulletin 20\-EM\-003HG

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: 10183956
- Published by NHTSA: 2020\-12\-08
- Manufacturer's number: 20\-EM\-003HG
- Manufacturer's date: 2020\-11\-06
- NHTSA component: ELECTRICAL SYSTEM:PROPULSION SYSTEM:TRACTION BATTERY:THERMAL MANAGEMENT:SENSOR/THERMOSTAT; EQUIPMENT ADAPTIVE/MOBILITY

## NHTSA's summary

Certain G80 and G90 Genesis vehicles may experience DTC code P0597 for “Thermostat Heater Control Circuit/Open”. This bulletin provides information on replacing the electric thermostat. No drivability issues are associated with this condition.

## The document

- [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2020/MC-10183956-0001.pdf)
- [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2020/MC-10183956-9999.pdf)

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

## Components

Electrical system, Equipment and accessories, Hybrid and electric drive, High\-voltage battery

## Trouble codes named

P0597

## Vehicles listed

- 2018 GENESIS G80
- 2017 to 2018 GENESIS G90

JSON: [/v1/bulletins/10183956](/v1/bulletins/10183956)

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