# Service bulletin 26 13 20 2026757

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: 10212660
- Published by NHTSA: 2022\-05\-31
- Manufacturer's number: 26 13 20 2026757
- Manufacturer's date: 2013\-11\-15
- NHTSA component: POWER TRAIN:AUTOMATIC TRANSMISSION; ELECTRICAL SYSTEM

## NHTSA's summary

An AdBlue message may appear in the instrument cluster either because there is a fault in the emission control system or because the system needs to be refilled. The AdBlue message displayed may vary depending on the model year of the vehicle.

## The document

- [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2013/MC-10212660-0001.pdf)
- [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2013/MC-10212660-9999.pdf)

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

## Components

Electrical system, Transmission and driveline, Automatic transmission

## Vehicles listed

- 2014 AUDI A6
- 2014 AUDI A7
- 2014 AUDI A8
- 2014 AUDI Q5
- 2009 to 2014 AUDI Q7

## Other bulletins for the same vehicles and component

- [37J1UPDATE](/bulletins/10249102.md), 2024-01-22, Service bulletin: POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE \(TCM/PCM/TECM\). TCM Update
- [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
- [Dealer 37O4](/bulletins/10227036.md), 2022-12-06, Service bulletin: POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE \(TCM/PCM/TECM\). Transmission Control Module \(TCM\) Software
- [Circular 37O4](/bulletins/10227035.md), 2022-12-06, Service bulletin: POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE \(TCM/PCM/TECM\). Transmission Control Module \(TCM\) Software
- [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 \(P074100 stored in TCM\)
- [37142120368261](/bulletins/10226520.md), 2022-11-21, Service bulletin: POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE:SOFTWARE; UNKNOWN OR OTHER; POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE \(TCM/PCM/TECM\); ELECTRICAL SYSTEM:WIRING. Gearbox warning light on.
- [37139820257543](/bulletins/10226517.md), 2022-11-21, Service bulletin: UNKNOWN OR OTHER; ENGINE AND ENGINE COOLING:ENGINE:ENGINE CONTROL MODULE \(ECU/ECM\):SOFTWARE; POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE:SOFTWARE. Shift quality and operational concerns
- [133820129135](/bulletins/10216640.md), 2022-08-01, Service bulletin: POWER TRAIN:AUTOMATIC TRANSMISSION:FLUID/LUBRICANT:FILTER/SCREEN. Engine oil service \- filter cartridge replacement. When changing the oil filter and installing the new filter seal\(s\) in the oil filter housing, special attention is required.
- [23 14 31 2038105](/bulletins/10212650.md), 2022-05-31, Service bulletin: POWER TRAIN:AUTOMATIC TRANSMISSION. Production tolerances in intake hose can cause amplification of normal turbocharger noises. Customer states excessive turbocharger resonance or intake air noises during acceleration. The concern can be reproduced at approximately 30% throttle loading and medium RPM.
- [37 14 37 2037137](/bulletins/10210686.md), 2022-05-02, Service bulletin: ELECTRICAL SYSTEM:SOFTWARE; POWER TRAIN; POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE \(TCM/PCM/TECM\); ENGINE AND ENGINE COOLING:ENGINE:ENGINE CONTROL MODULE \(ECU/ECM\); ELECTRICAL SYSTEM. Incorrect software calibration in the engine control module \(ECM\), J623, and transmission control module \(TCM\), J217. Customer may report feeling a slight hesitation or delay at 5\-9 mph after accelerating from a stop.

JSON: [/v1/bulletins/10212660](/v1/bulletins/10212660)

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