# Service bulletin Dealer 23EO

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: 10232174
- Published by NHTSA: 2023\-03\-06
- Manufacturer's number: Dealer 23EO
- Manufacturer's date: 2023\-02\-27
- NHTSA component: ENGINE AND ENGINE COOLING:ENGINE:ENGINE CONTROL MODULE \(ECU/ECM\)

## NHTSA's summary

RECALL \- Engine Control Module \(ECM\) Software

## The document

- [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2023/MC-10232174-0001.pdf)
- [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2023/MC-10232174-9999.pdf)

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

## Components

Engine, Engine control module

## Vehicles listed

- 2020 to 2021 VOLKSWAGEN PASSAT

## Other bulletins for the same vehicles and component

- [Circular 23EO](/bulletins/10232171.md), 2023-03-06, Service bulletin: ENGINE AND ENGINE COOLING:ENGINE:ENGINE CONTROL MODULE \(ECU/ECM\). RECALL \- Engine Control Module \(ECM\) Software
- [VIN4APIN20211109](/bulletins/10203479.md), 2021-12-07, Service bulletin: SUSPENSION; ELECTRICAL SYSTEM; ENGINE AND ENGINE COOLING:ENGINE:ENGINE CONTROL MODULE \(ECU/ECM\):SOFTWARE. Customer states MIL\-on with P0087 P0149 P053F in the ECM Customer states MIL\-on with any combination of P0300, P0301, P0302, P0303, P0304, P1D74 and/or P1D75 in the ECM Customer states rattle noise from the underbody heat shields Customer states noise from front suspension Customer states noise during clutch pedal operation Customer states airbag light on Customer states no crank/no start. Vehicle is towed in.
- [VIN4APIN20210930](/bulletins/10201755.md), 2021-10-06, Service bulletin: SUSPENSION:FRONT; STRUCTURE; ENGINE AND ENGINE COOLING:ENGINE:ENGINE CONTROL MODULE \(ECU/ECM\); EQUIPMENT. Customer states MIL\-on with P0087 P0149 P053F in the ECM Customer states noise from front suspension Customer states noise during clutch pedal operation Customer concern of vehicle door hard to close/out of adjustment Customer states no crank/no start. Vehicle is towed in. Customer states there is a popping/clicking noise while operating temperature settings Customer states MIL\-on with P0401

JSON: [/v1/bulletins/10232174](/v1/bulletins/10232174)

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