# Service bulletin A341835 2051686\-

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: 10144635
- Published by NHTSA: 2018\-09\-17
- Manufacturer's number: A341835 2051686\-
- Manufacturer's date: 2018\-06\-29
- NHTSA component: POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE \(TCM/PCM/TECM\); EQUIPMENT

## NHTSA's summary

This bulletin contains repair instructions for when DTC P280500 is stored in the TCM with symptom code 20779. The engine does not start and a gearbox malfunction message is displayed.

## The document

- [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2018/MC-10144635-9999.pdf)
- [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2018/MC-10144635-0001.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

## Trouble codes named

P2805

## Vehicles listed

- 2016 to 2017 AUDI A6

## Other bulletins for the same vehicles and component

- [A3423632070167\_1](/bulletins/10236588.md), 2023-06-06, Service bulletin: POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE \(TCM/PCM/TECM\). This bulletin provides instructions for when DTC P1A5B00 is stored after replacing the transmission control module or valve body for another concern.
- [A3720012039650\_2](/bulletins/10177882.md), 2020-08-06, Service bulletin: POWER TRAIN:TRANSFER CASE \(4\-WHEEL DRIVE\); POWER TRAIN:AUTOMATIC TRANSMISSION. This bulletin contains instructions for addressing a leak from the transmission oil pan gasket or transfer case.
- [A341836 2050215\-](/bulletins/10145643.md), 2018-10-15, Service bulletin: POWER TRAIN:AUTOMATIC TRANSMISSION; EQUIPMENT. This bulletin contains repair instructions for when an oil leak is present around the ATF sump.
- [A341834 2051575\-](/bulletins/10144634.md), 2018-09-17, Service bulletin: POWER TRAIN:AUTOMATIC TRANSMISSION; EQUIPMENT. This bulletin contains repair instructions when there is a squeaking noise from the MTF pump.
- [A341829 2050215\_](/bulletins/10133295.md), 2018-04-16, Service bulletin: POWER TRAIN:AUTOMATIC TRANSMISSION. This bulletin contains repair instructions for when an oil leak is present around the ATF sump.
- [A011527 2041093\-](/bulletins/10120747.md), 2017-10-25, Service bulletin: ENGINE AND ENGINE COOLING; POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE \(TCM/PCM/TECM\). DTC P164D00 is stored in the engine control module. The red oil pressure warning light may be on. Rubber oil drain plug within the oil filter housing is out of position.
- [A371555 2039650\-](/bulletins/10120693.md), 2017-10-25, Service bulletin: POWER TRAIN; POWER TRAIN:AUTOMATIC TRANSMISSION. There is an oil leak from underneath the vehicle. The leak may appear to be from the transmission oil pan gasket. Although the leak may appear to be from the transmission oil pan gasket, there are multiple possible sources for the leak. The leak must be diagnosed to determine the actual location before any repairs are attempted.

JSON: [/v1/bulletins/10144635](/v1/bulletins/10144635)

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