# Service bulletin 2036688/1

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: 10066043
- Published by NHTSA: 2016\-05\-19
- Manufacturer's number: 2036688/1
- Manufacturer's date: 2014\-04\-03
- NHTSA component: SERVICE BRAKES; ELECTRICAL SYSTEM:12V/24V/48V BATTERY

## NHTSA's summary

SUMMARY TO BE PROVIDED ON A FUTURE DATE.

## 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

Brakes, Electrical system, 12\-volt battery

## Vehicles listed

- 2011 to 2014 AUDI A6
- 2011 AUDI A7
- 2012 to 2014 AUDI A7
- 2011 to 2014 AUDI A8

## Other bulletins for the same vehicles and component

- [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
- [27 14 24 2025360](/bulletins/10212673.md), 2022-05-31, Service bulletin: ELECTRICAL SYSTEM:12V/24V/48V BATTERY. Low battery charge: Diagnosis tips and TAC instructions
- [27 13 19 2029010](/bulletins/10212668.md), 2022-05-31, Service bulletin: ELECTRICAL SYSTEM:12V/24V/48V BATTERY. Low battery charge: excess current draw location
- [27 13 18 2023282](/bulletins/10212667.md), 2022-05-31, Service bulletin: ELECTRICAL SYSTEM:12V/24V/48V BATTERY. Battery testing and charging \- vehicles with BDM
- [37 13 09 2028715](/bulletins/10210652.md), 2022-05-02, Service bulletin: ELECTRICAL SYSTEM:12V/24V/48V BATTERY; POWER TRAIN:AUTOMATIC TRANSMISSION:INTERNAL:GEARS. After a mechatronics, torque converter, or complete gearbox replacement, the clutches must be adapted to the new component. This requires a gradual move of the clutch linings toward the optimal operating points in the most diverse load conditions. As a result, sporadic driving power disruptions lasting for less than a second or reduced shift comfort are possible over the first 500 miles. This is normal, and these issues will decrease over time. The issues can also occur if the adaptation values of the gearbox were deleted.
- [27 14 24 2025360](/bulletins/10210621.md), 2022-05-02, Service bulletin: ELECTRICAL SYSTEM:12V/24V/48V BATTERY; ELECTRICAL SYSTEM. This TSB provides basic diagnosis steps for discharged batteries, general tips for working with batteries, and system verification steps to ensure that the vehicle is configured correctly. For additional information on known current draw issues, refer to the following TSBs: ? 2014127: 27 Battery dead or low after returning to the vehicle \(2007 A6, A8, Q7\) ? 2019143: 27 Battery discharged on some vehicles with Advanced Key \(2005 \- 2008 A6, Q7\)
- [AWC 19\-05](/bulletins/10164518.md), 2019-09-10, Service bulletin: ELECTRICAL SYSTEM:12V/24V/48V BATTERY; EQUIPMENT:OTHER:LABELS; EQUIPMENT. This communication is issued to inform dealers of updated shipping regulations related to lithium ion batteries.
- [A871569 2020124\-](/bulletins/10128363.md), 2018-02-05, Service bulletin: ELECTRICAL SYSTEM:12V/24V/48V BATTERY; EQUIPMENT:APPLIANCE:AIR CONDITIONER. Supersedes Technical Service Bulletin Group 87 number 14\-49 dated April 25, 2014. Air conditioning is inoperative. The HVAC blower functions normally. Battery discharged; however, when charged, there is no bus silence when vehicle ignition is off. The A/C pressure/temperature sensor, G395, leaks refrigerant. This causes sensor G395 to show an incorrect or implausible value when reading MVBs. An incorrect signal or a low refrigerant level in the system can cause the air conditioning compressor to deactivate. The LIN cable connecting the vehicle electrical system control module, J519, to sensor G395 is pinched or cut. This affects the A4/S4, A5/S5 Coupe and Cabriolet, and Q5 vehicles. The A6 and A8 are not affected by this type of failure. The pressure sensor G395/G65 sends an incorrect signal that prevents bus silence and the battery is discharged. Sensor G395 is a LIN slave of the vehicle electrical system control module. The vehicle electrical system control module transfers the information provided by the sensor via the comfort data bus to the climate control module, J255.
- [A571738 2017082\-](/bulletins/10128205.md), 2018-02-05, Service bulletin: ELECTRICAL SYSTEM:12V/24V/48V BATTERY; EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. This informational bulletin contains instructions for sychronizing the remote key after the battery has been disconnected or replaced.

JSON: [/v1/bulletins/10066043](/v1/bulletins/10066043)

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