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Service bulletin DC_Alternator

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.

The communication, as NHTSA indexes it (as of 2026-10-19)
TypeService bulletin
NHTSA id10228815
Published by NHTSA2023-01-06
Manufacturer's numberDC_Alternator
Manufacturer's date2022-12-22
NHTSA componentELECTRICAL SYSTEM:ALTERNATOR/GENERATOR/REGULATOR

NHTSA's summary

Support for Customers Affected by Alternator Back-order

The document

The document is the manufacturer's. This site does not hold it. NHTSA files a document at one of these two addresses; we have not asked NHTSA which.

Components

Electrical system, Alternator

Vehicles listed
AUDI A32007, 2008, 2009, 2010, 2011, 2012, 2013
AUDI A32014
AUDI A32015, 2016, 2017, 2018, 2019, 2020
AUDI A32021
AUDI A32022, 2023
AUDI A3 SPORTBACK E-TRON2017 to 2018
AUDI A42007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016, 2017, 2018, 2019, 2020, 2021, 2022, 2023
AUDI A4 ALLROAD2020, 2021, 2022
AUDI A4 CABRIOLET2007 to 2009
AUDI A52008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016, 2017, 2018, 2019, 2020, 2021, 2022, 2023
AUDI A5 CABRIOLET2010 to 2023
AUDI A62007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016, 2017, 2018, 2019, 2020, 2021, 2022, 2023
AUDI A6 ALLROAD2020, 2021, 2022
AUDI A72012, 2013, 2014, 2015, 2016, 2017, 2018, 2019, 2020, 2021, 2022, 2023
AUDI A82007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016, 2017, 2018, 2019, 2020
AUDI A82021 to 2023
AUDI E-TRON2019
AUDI E-TRON2020
AUDI E-TRON2021, 2022, 2023
AUDI Q32015, 2016, 2017, 2018, 2019, 2020, 2021, 2022, 2023
AUDI Q4 E-TRON2022 to 2023
AUDI Q52009, 2010, 2011, 2012, 2013, 2014, 2015, 2016, 2017, 2018, 2019, 2020, 2021
AUDI Q5 SPORTBACK2022 to 2023
AUDI Q72007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015
AUDI Q72016
AUDI Q72017, 2018, 2019, 2020, 2021, 2022, 2023
AUDI Q82019, 2020, 2021, 2022, 2023
AUDI R82008, 2009, 2010, 2011, 2012
AUDI R82013
AUDI R82014, 2015, 2016, 2017, 2018
AUDI R82019
AUDI R82020, 2021, 2022, 2023
AUDI RS 32017, 2018, 2019, 2020
AUDI RS 32022, 2023
AUDI RS 42007, 2008
AUDI RS 52018, 2019
AUDI RS 52020
AUDI RS 52021, 2022, 2023
AUDI RS 5 CABRIOLET2013, 2014, 2015 (the catalog's model; the bulletin names a series or trim of it)
AUDI RS 6 AVANT2021, 2022, 2023
AUDI RS 72014, 2015, 2016, 2017, 2018
AUDI RS 72021, 2022, 2023
AUDI RS E-TRON GT2022, 2023
AUDI RS Q82020, 2021, 2022, 2023
AUDI RS32021
AUDI RS52013, 2014, 2015
AUDI RS52016 to 2017
AUDI RS72019 to 2020
AUDI S32015, 2016, 2017, 2018, 2019, 2020
AUDI S32021
AUDI S32022, 2023
AUDI S42007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016
AUDI S42017
AUDI S42018, 2019, 2020, 2021, 2022, 2023
AUDI S4 CABRIOLET2009
AUDI S52008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016, 2017, 2018, 2019, 2020, 2021, 2022, 2023
AUDI S5 CABRIOLET2010 to 2023
AUDI S62007, 2008, 2009, 2010, 2011
AUDI S62012
AUDI S62013, 2014, 2015, 2016, 2017, 2018
AUDI S62019
AUDI S62020, 2021, 2022, 2023
AUDI S72013, 2014, 2015, 2016, 2017, 2018
AUDI S72019
AUDI S72020, 2021, 2022, 2023
AUDI S82007, 2008, 2009
AUDI S82010 to 2012
AUDI S82013, 2014, 2015, 2016, 2017, 2018
AUDI S82019
AUDI S82020, 2021, 2022, 2023
AUDI SQ52014, 2015, 2016, 2017, 2018, 2019, 2020, 2021, 2022, 2023
AUDI SQ72020, 2021, 2022, 2023
AUDI SQ82020, 2021, 2022, 2023
AUDI TT2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016, 2017, 2018, 2019, 2020, 2021, 2022, 2023
AUDI TT RS2013
AUDI TT RS2017
AUDI TT RS2018, 2019, 2020, 2021, 2022

Listing a model year does not mean every vehicle of it is concerned: the document says which.

Other bulletins for the same vehicles and component
Dealer 27K4_REV12024-04-05. Service bulletin. Audi is conducting a special parts collection program involving the starter/generator from selected 2022 model year Audi vehicles. Added reminders for measured value block requirements.
Circ_27K4_REV12024-04-05. Service bulletin. Audi is conducting a special parts collection program involving the starter/generator from selected 2022 model year Audi vehicles. Added reminders for measured value block requirements.
A1324242061461_92024-04-04. Service bulletin. This bulletin provides information for when the starter/generator drive belt is noise or came off; DTC P2BA300 may be stored in the ECM.
DC_Alternator_92023-03-06. Service bulletin. Meeting minutes mention alternator topic.
DC_Alternator_82023-03-06. Service bulletin. Alternator Vehicle Down Form
A1321152061461_42021-08-04. Service bulletin. This bulletin contains repair instructions to address noises or a message in the DIS display.
A1321142061461_32021-06-03. Service bulletin. This bulletin contains repair instructions to address noises or a message in the DIS display.
A1320112061461_22021-01-08. Service bulletin. This bulletin contains repair instructions to address noises or a message in the DIS display.
A1320102061461_12020-12-04. Service bulletin. This bulletin contains repair instructions to address noises or a message in the DIS display.
TSB-13-10-032011-02-12. Service bulletin. AUDI: GENERATOR WARNING LIGHT ON, ENGINE NOISE, STEERING SLUGGISH, BUT CONDITION DOES NOT RESULT IN LOSS OF STEERING CONTROL. BROKEN TENSION SPRING IN BELT TENSIONER (ROLLER WITHOUT PROFILE). CHANGE TO BELT DRIVE WITH BELT TENSIONER. *PE