# Service bulletin 21\-022\-19

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: 10162543
- Published by NHTSA: 2019\-07\-15
- Manufacturer's number: 21\-022\-19
- Manufacturer's date: 2019\-05\-08
- NHTSA component: POWER TRAIN; POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE \(TCM/PCM/TECM\)

## NHTSA's summary

Flash: Transmission Control Module \(TCM\) Updates This bulletin involves reprogramming the TCM with the latest available software. Customers may experience the following:Malfunction Indicator Lamp \(MIL\) illumination, Electronic Vehicle Information Center \(EVIC\) message states ?Service Transmission? and transmission intermittently goes into neutral with PRNDL flashing when vehicle is stopped. The vehicle may or may not resume normal transmission operation after cycling the shifter or ignition.

## The document

- [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2019/MC-10162543-0001.pdf)
- [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2019/MC-10162543-9999.pdf)

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

## Components

Transmission and driveline, Automatic transmission, Transmission control module

## Vehicles listed

- 2018 FIAT 500X

## Other bulletins for the same vehicles and component

- [18\-042\-19](/bulletins/10162541.md), 2019-07-15, Service bulletin: POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE \(TCM/PCM/TECM\). Flash: Powertrain Control Module \(PCM\) Update This bulletin involves reprogramming the PCM with the latest software. Customers may experience a Malfunction Indicator Lamp \(MIL\) illumination. Upon further investigation the technician may find that one or more of the following Diagnostic Trouble Codes \(DTCs\) have been set:P0456 \- EVAP System Small Leak. P0340 \- Camshaft Position Sensor Circuit \- Bank 1 Sensor 1. P0016 \- Crankshaft/Camshaft Timing Misalignment \- Bank 1 Sensor 1. P0606 \- Control Module Processor.

JSON: [/v1/bulletins/10162543](/v1/bulletins/10162543)

[Report an error on this page](https://github.com/wenmar-pro/wenmar-open/issues/new?template=data_correction.yml&title=Data%20correction%3A%20Service%20bulletin%2021-022-19&page=https%3A%2F%2Fopen.wenmarpro.com%2Fbulletins%2F10162543&vehicle=Service%20bulletin%2021-022-19)