# Service bulletin A371422 2028985\-

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: 10122457
- Published by NHTSA: 2017\-11\-08
- Manufacturer's number: A371422 2028985\-
- Manufacturer's date: 2014\-05\-01
- NHTSA component: POWER TRAIN:AUTOMATIC TRANSMISSION:TORQUE CONVERTER; ELECTRICAL SYSTEM

## NHTSA's summary

Supersedes Technical Service Bulletin Group 37 number 13\-01 dated April 24, 2013. Transmission warning may appear in instrument cluster. After ignition cycle, the warning message is no longer present. DTC P074100 \(Torque Converter Clutch Circuit Performance\) or ?Stuck Off? is stored in transmission control module \(TCM\), J217 \(address word 03\). The fault occurs with ATF temperature below 60o C. Check for this temperature range in the extended environmental conditions of the diagnosis protocol. This TSB only applies if the ATF level is correct and there are no leaks.

## The document

- [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2014/MC-10122457-9999.pdf)
- [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2014/MC-10122457-0001.pdf)

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

## Components

Electrical system, Transmission and driveline, Automatic transmission, Torque converter

## Trouble codes named

P0741

## Vehicles listed

- 2013 to 2014 AUDI A4 ALLROAD
- 2011 to 2012 AUDI A4 AVANT
- 2011 to 2014 AUDI A5
- 2011 to 2014 AUDI A5 CABRIOLET
- 2012 to 2014 AUDI A6
- 2012 to 2014 AUDI A7
- 2011 to 2013 AUDI A8
- 2013 to 2014 AUDI ALLROAD
- 2011 to 2014 AUDI Q5
- 2013 AUDI S8

## Other bulletins for the same vehicles and component

- [3712692031140](/bulletins/10250455.md), 2024-02-20, Service bulletin: POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE \(TCM/PCM/TECM\). Warning message in cluster, no driving mode can be selected \- Faults P09140, U040400, U010300 stored in TCM
- [37J1UPDATE](/bulletins/10249102.md), 2024-01-22, Service bulletin: POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE \(TCM/PCM/TECM\). TCM Update
- [Update37H5](/bulletins/10249079.md), 2024-01-22, Service bulletin: UNKNOWN OR OTHER; POWER TRAIN:AUTOMATIC TRANSMISSION:INTERNAL:CLUTCHES/BANDS:ACTUATORS/SOLENOIDS. Multitronic
- [Update37J1](/bulletins/10249051.md), 2024-01-22, Service bulletin: POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE \(TCM/PCM/TECM\). Update the TCM software to the latest level with SVM
- [37143120130025](/bulletins/10226530.md), 2022-11-21, Service bulletin: POWER TRAIN:AUTOMATIC TRANSMISSION. ATF pan leaks
- [371422202898511](/bulletins/10226521.md), 2022-11-21, Service bulletin: POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE \(TCM/PCM/TECM\); LANE DEPARTURE; ELECTRICAL SYSTEM: INSTRUMENT CLUSTER/PANEL. Transmission warning message in cluster \(P074100 stored in TCM\)
- [37142020362781](/bulletins/10226519.md), 2022-11-21, Service bulletin: ENGINE AND ENGINE COOLING:ENGINE:ENGINE CONTROL MODULE \(ECU/ECM\); POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE:SOFTWARE; POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE \(TCM/PCM/TECM\); UNKNOWN OR OTHER. Rough downshifts when vehicle is slowed to a stop.
- [37139920290276](/bulletins/10226518.md), 2022-11-21, Service bulletin: LANE DEPARTURE; POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE:SOFTWARE; POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE \(TCM/PCM/TECM\). Transmission warning message in cluster.
- [37139720289859](/bulletins/10226516.md), 2022-11-21, Service bulletin: POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE:SOFTWARE; ELECTRICAL SYSTEM:12V/24V/48V BATTERY; ELECTRICAL SYSTEM: INSTRUMENT CLUSTER/PANEL. Transmission warning message in cluster, P074100 stored in TCM
- [37139620293059](/bulletins/10226515.md), 2022-11-21, Service bulletin: UNKNOWN OR OTHER; POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE:SOFTWARE; ELECTRICAL SYSTEM:12V/24V/48V BATTERY. Harsh downshifts when braking or harsh 1\-2 upshift under acceleration

JSON: [/v1/bulletins/10122457](/v1/bulletins/10122457)

[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%20A371422%202028985-&page=https%3A%2F%2Fopen.wenmarpro.com%2Fbulletins%2F10122457&vehicle=Service%20bulletin%20A371422%202028985-)
