# Service bulletin 0526

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: 10018221
- Published by NHTSA: 2005\-12\-19
- Manufacturer's number: 0526
- Manufacturer's date: 2005\-11\-16
- NHTSA component: POWER TRAIN:AUTOMATIC TRANSMISSION

## NHTSA's summary

AUTHORIZATION REQUIREMENTS FOR AUTOMATIC TRANSMISSIONS. \*TT

## 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

Transmission and driveline, Automatic transmission

## Vehicles listed

- 2002 to 2004 AUDI A4
- 2001 to 2004 AUDI A6
- 2001 to 2004 AUDI ALLROAD

## Other bulletins for the same vehicles and component

- [3712672028053](/bulletins/10250453.md), 2024-02-20, Service bulletin: ELECTRICAL SYSTEM:SOFTWARE; POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE \(TCM/PCM/TECM\). TCM software update for downshift concerns
- [37143120130025](/bulletins/10226530.md), 2022-11-21, Service bulletin: POWER TRAIN:AUTOMATIC TRANSMISSION. ATF pan leaks
- [37 14 31 2013002](/bulletins/10210680.md), 2022-05-02, Service bulletin: POWER TRAIN; ENGINE AND ENGINE COOLING; POWER TRAIN:AUTOMATIC TRANSMISSION:FLUID/LUBRICANT:SEALS/GASKETS. As the sump pan gasket settles, the torque of the bolts decreases and the seal may leak. Automatic transmission fluid is leaking at the sump pan gasket.
- [A451510 2042048\-](/bulletins/10123713.md), 2017-11-17, Service bulletin: POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE \(TCM/PCM/TECM\). Vehicle will not communicate with diagnostic scan tool or emissions test equipment. Customers may have issues with vehicle passing state IM emissions test programs because the scan tool cannot communicate with the vehicle. ABS and/or brake lamp\(s\) will be illuminated in IP cluster. Broken ground bond wire within the ABS module \(ABS 5.3 system\) causes diagnostic communication issues with the ABS module, ECM, and TCM. Brake system and ABS system functionality are not affected by the broken ground circuit. This bulletin only addresses the communication issue \(broken ground circuit\) between the vehicle and the diagnostic scan tool described above. This bulletin does not address any subsequent vehicle diagnostic system issues that may exist. OBD system works normally; emission or diagnostic critical malfunctions will be indicated by MIL illumination. ABS system is not functionally affected by the broken ground circuit.
- [AWA\-13\-04](/bulletins/10123551.md), 2017-11-17, Service bulletin: POWER TRAIN:AUTOMATIC TRANSMISSION. Audi is extending the New Vehicle Limited Warranty to 10 years or 100,000 miles, whichever occurs first, from the vehicle?s original in\-service date for certain MY2002 through MY2006 A4 and A6 vehicles equipped with a factory\- installed CVT transmission. The extension is applicable to and covers only the diagnosis and repair or replacement of specific CVT transmission parts detailed in this Bulletin. The original in\-service date is defined as the date the vehicle was delivered to either the original purchaser or the original lessee; or if the vehicle was first placed in service as a demonstrator, company care, or service loaner, the date such vehicle was first placed in service. The warranty extension is transferrable to subsequent owners. Audi is notifying authorized dealers regarding the extended warranty with this Warranty Bulletin.
- [A371431 2013002\-](/bulletins/10122418.md), 2017-11-08, Service bulletin: POWER TRAIN:AUTOMATIC TRANSMISSION:COOLING UNIT AND LINES; POWER TRAIN:AUTOMATIC TRANSMISSION. Supersedes Technical Service Bulletin Group 37 number 11\-19 dated January 31, 2011. Automatic transmission fluid is leaking at the sump pan gasket. As the sump pan gasket settles, the torque of the bolts decreases and the seal may leak.
- [SB\-2028053/2](/bulletins/10063871.md), 2016-05-09, Service bulletin: POWER TRAIN:AUTOMATIC TRANSMISSION; ELECTRICAL SYSTEM:SOFTWARE. SUMMARY TO BE PROVIDED ON A FUTURE DATE.
- [TSB\-38\-09\-01](/bulletins/10032412.md), 2010-03-17, Service bulletin: POWER TRAIN:AUTOMATIC TRANSMISSION:GEAR POSITION INDICATION \(PRNDL\); STEERING:GEAR BOX \(OTHER THAN RACK AND PINION\). AUDI: VEHICLE WILL NOT MOVE IN ANY GEAR. ATF PUMP BORDER BUSHING MAY FAIL AND CAUSE A LOSS OF OIL PRESSURE. THE ATF PUMP IS INCORPORATED IN THE VALVE BODY. THE PUMP IS NOT A SERVICEABLE PART. IMPROVED ATF PUMP INCORPORATED IN THE VALVE BODY FROM 1/04 VEHICLE PRODUCTION. \*PE
- [SB\-37\-09\-06](/bulletins/10032188.md), 2010-02-17, Service bulletin: EXTERIOR LIGHTING:HEADLIGHTS:SWITCH; EXTERIOR LIGHTING:HEADLIGHTS; POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE \(TCM/PCM/TECM\). AUDI: SWITCHING ON THE HEADLIGHTS CAUSES A LOW VOLTAGE, WHICH LEADS TO THE FAILURE OF THE DIAGNOSIS SIGNAL OF THE GEAR LEVER CIRCUIT BOARD. THE TCM RECOGNIZES A FAULT IN THE GEAR LEVER ELECTRONICS AND STORES DTC P753. \*PE
- [370710](/bulletins/10022453.md), 2007-08-15, Service bulletin: POWER TRAIN:AUTOMATIC TRANSMISSION. MIL ON, AND/OR MULTITRONIC TRANSMISSION IN EMERGENCY RUNNING MODE \(DTC P0706 OR P1793 IN TCM\). \*KB

JSON: [/v1/bulletins/10018221](/v1/bulletins/10018221)

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