# Service bulletin ESA\-23\-L\-2

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: 10053915
- Published by NHTSA: 2013\-12\-04
- Manufacturer's number: ESA\-23\-L\-2
- Manufacturer's date: 2013\-08\-06
- NHTSA component: ELECTRICAL SYSTEM:SOFTWARE; POWER TRAIN:DRIVELINE:DIFFERENTIAL UNIT

## NHTSA's summary

AUDI: SEE DOCUMENT SEARCH BUTTON FOR OWNER LETTER. THE DIFFERENTIAL PRESSURE SENSOR MAY HAVE CORROSION FORMING, IN SOME VEHICLES, WHICH CAUSES A MALFUNCTION INDICATOR LIGHT \(MIL\) TO COME ON AND WILL NOT PASS EMISSION INSPECTION OR A POSSIBLE PROBLEM WITH ENGINE CONTROL MODULE \(ECM\) SOFTWARE. MODEL 2009\-2012 Q7. \*PE

## The document

No address for NHTSA's copy can be built for this communication. Ask the dealer for it by the manufacturer's number.

## Components

Electrical system, Transmission and driveline, Differential, Software

## Vehicles listed

- 2009 to 2012 AUDI Q7

## Other bulletins for the same vehicles and component

- [A0023822047812\_7](/bulletins/10248111.md), 2024-01-04, Service bulletin: ELECTRICAL SYSTEM:SOFTWARE. This bulletin provides information on how to set up and use the SD Creator for obtaining vehicle software updates via the Mirror Server.
- [Edition89](/bulletins/10231127.md), 2023-02-06, Service bulletin: ELECTRICAL SYSTEM:SOFTWARE; EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. ElsaPro Software update and technical bulletins
- [001465201173210](/bulletins/10228297.md), 2023-01-03, Service bulletin: ELECTRICAL SYSTEM:SOFTWARE. This Technical Service Bulletin \(TSB\) details the general process for carrying out a Software Version Management \(SVM\) software update for any TSB or Update.
- [01149520384341](/bulletins/10225085.md), 2022-10-31, Service bulletin: ELECTRICAL SYSTEM:SOFTWARE. Software update needed.
- [01149520384341](/bulletins/10222058.md), 2022-09-26, Service bulletin: ELECTRICAL SYSTEM:SOFTWARE. Software update needed.
- [A4622332051095\_7](/bulletins/10214737.md), 2022-07-01, Service bulletin: UNKNOWN OR OTHER; ELECTRICAL SYSTEM:SOFTWARE. This informational bulletin contains instructions on how to download and use the Audi Frequency App.
- [37 14 21 2036826](/bulletins/10210670.md), 2022-05-02, Service bulletin: ELECTRICAL SYSTEM:SOFTWARE; POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE \(TCM/PCM/TECM\); UNKNOWN OR OTHER. Diagnostic threshold setting in current software is too sensitive. The following message appears in the information display: ?Gearbox malfunction: You can continue driving.? New software in the TCM addresses the condition.
- [A002155201173212](/bulletins/10204722.md), 2022-01-05, Service bulletin: ELECTRICAL SYSTEM:SOFTWARE. This bulletin contains general instructions for software updates.
- [SM 48\-2021](/bulletins/10197976.md), 2021-07-02, Service bulletin: EQUIPMENT; ELECTRICAL SYSTEM:SOFTWARE. This special notice is to inform dealers to return the parts listed if it meets the criteria provided.
- [A9120572036575\_6](/bulletins/10185259.md), 2021-01-08, Service bulletin: ELECTRICAL SYSTEM:SOFTWARE; EQUIPMENT ADAPTIVE/MOBILITY. This informational bulletin provides an explanation for the customer regarding known software issues with the MIB \& MMI3G\+ bluetooth security profile.

JSON: [/v1/bulletins/10053915](/v1/bulletins/10053915)

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