# Service bulletin LI54.21\-N\-071993

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: 10184789
- Published by NHTSA: 2020\-12\-28
- Manufacturer's number: LI54.21\-N\-071993
- Manufacturer's date: 2020\-11\-18
- NHTSA component: POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE \(TCM/PCM/TECM\); EQUIPMENT ADAPTIVE/MOBILITY; EQUIPMENT

## NHTSA's summary

Malfunctions in vehcile in connection with parameterization special module. Errors in PSM may cause fualts. Disconnect PSM and perform SCN coding.

## The document

- [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2020/MC-10184789-0001.pdf)
- [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2020/MC-10184789-9999.pdf)

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

## Components

Equipment and accessories, Transmission and driveline, Automatic transmission, Transmission control module

## Vehicles listed

- 2015 to 2017 MERCEDES ROYALE SPRINTER COACH

JSON: [/v1/bulletins/10184789](/v1/bulletins/10184789)

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