# Service bulletin A011526 2041120\-

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: 10120746
- Published by NHTSA: 2017\-10\-25
- Manufacturer's number: A011526 2041120\-
- Manufacturer's date: 2015\-06\-30
- NHTSA component: POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE \(TCM/PCM/TECM\)

## NHTSA's summary

The MIL is on. DTC P042000 and/or P043000 \(Catalyst system Bank 1/2, Efficiency below threshold\) is stored in the engine control module \(ECM\), J623 \(address word 01\). The diagnostic limitations were too narrow.

## The document

- [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2015/MC-10120746-9999.pdf)
- [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2015/MC-10120746-0001.pdf)

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

## Components

Transmission and driveline, Automatic transmission, Transmission control module

## Trouble codes named

P0420, P0430

## Vehicles listed

- 2012 to 2014 AUDI A6
- 2012 to 2014 AUDI A7
- 2012 to 2014 AUDI A8
- 2013 to 2015 AUDI Q5
- 2011 to 2015 AUDI S4
- 2011 to 2015 AUDI S5
- 2014 to 2015 AUDI S5 CABRIOLET

## 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/10120746](/v1/bulletins/10120746)

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