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Service bulletin TT 97 20 01 SS1

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 id10174571
Published by NHTSA2020-05-07
Manufacturer's numberTT 97 20 01 SS1
Manufacturer's date2020-04-30
NHTSA componentELECTRICAL SYSTEM

NHTSA's summary

Voltage Drop Testing. Updated for picture clarity.

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

Vehicles listed
VOLKSWAGEN ARTEON2019, 2020, 2021
VOLKSWAGEN ATLAS2018, 2019, 2020, 2021
VOLKSWAGEN ATLAS CROSS SPORT2020, 2021
VOLKSWAGEN BEETLE2010
VOLKSWAGEN BEETLE2011
VOLKSWAGEN BEETLE2012, 2013, 2014, 2015, 2016, 2017, 2018, 2019
VOLKSWAGEN BEETLE CONVERTIBLE2010 (the catalog's model; the bulletin names a series or trim of it)
VOLKSWAGEN BEETLE CONVERTIBLE2011
VOLKSWAGEN BEETLE CONVERTIBLE2012, 2013, 2014, 2015, 2016, 2017, 2018, 2019 (the catalog's model; the bulletin names a series or trim of it)
VOLKSWAGEN CC2010 to 2011
VOLKSWAGEN CC2012
VOLKSWAGEN CC2013
VOLKSWAGEN CC2014, 2015, 2016, 2017
VOLKSWAGEN E-GOLF2015, 2016, 2017, 2018, 2019, 2020
VOLKSWAGEN EGOLF2015, 2016, 2017, 2018
VOLKSWAGEN EOS2010, 2011, 2012, 2013, 2014, 2015, 2016
VOLKSWAGEN EOS2017
VOLKSWAGEN GOLF2010, 2011, 2012, 2013, 2014, 2015, 2016, 2017, 2018, 2019, 2020, 2021
VOLKSWAGEN GOLF ALLTRACK2017, 2018, 2019
VOLKSWAGEN GOLF R2012 (the catalog's model; the bulletin names a series or trim of it)
VOLKSWAGEN GOLF R2013
VOLKSWAGEN GOLF R2014, 2015 (the catalog's model; the bulletin names a series or trim of it)
VOLKSWAGEN GOLF R2016, 2017, 2018, 2019, 2020
VOLKSWAGEN GOLF R2021 (the catalog's model; the bulletin names a series or trim of it)
VOLKSWAGEN GOLF SPORTWAGEN2013, 2014 (the catalog's model; the bulletin names a series or trim of it)
VOLKSWAGEN GOLF SPORTWAGEN2015, 2016, 2017, 2018, 2019, 2020
VOLKSWAGEN GOLF WAGON2010, 2011, 2012, 2013, 2014 (the catalog's model; the bulletin names a series or trim of it)
VOLKSWAGEN GTI2010, 2011, 2012, 2013, 2014, 2015
VOLKSWAGEN GTI2016 to 2021
VOLKSWAGEN JETTA2010, 2011, 2012, 2013, 2014, 2015, 2016, 2017, 2018, 2019, 2020, 2021
VOLKSWAGEN JETTA GLI2016 (the catalog's model; the bulletin names a series or trim of it)
VOLKSWAGEN JETTA HYBRID2013, 2014, 2015, 2016, 2017 (the catalog's model; the bulletin names a series or trim of it)
VOLKSWAGEN JETTA SPORTWAGEN2010, 2011, 2012, 2013, 2014
VOLKSWAGEN PASSAT2010, 2011, 2012, 2013, 2014, 2015, 2016, 2017, 2018, 2019, 2020, 2021
VOLKSWAGEN PASSAT WAGON2010 (the catalog's model; the bulletin names a series or trim of it)
VOLKSWAGEN POLO 1.6 COMFORTLINE2011
VOLKSWAGEN RABBIT2010 to 2013
VOLKSWAGEN ROUTAN2010, 2011, 2012, 2013, 2014
VOLKSWAGEN ROUTAN2015
VOLKSWAGEN TAREK2021
VOLKSWAGEN TIGUAN2010, 2011, 2012, 2013, 2014, 2015, 2016, 2017, 2018, 2019, 2020, 2021
VOLKSWAGEN TIGUAN LIMITED2018
VOLKSWAGEN TOUAREG2010, 2011, 2012, 2013, 2014, 2015, 2016, 2017
VOLKSWAGEN TOUAREG HYBRID2011, 2012, 2013, 2014, 2015, 2016 (the catalog's model; the bulletin names a series or trim of it)
VOLKSWAGEN VOLKSWAGEN2014 to 2016
VOLKSWAGEN XCH902016

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

Recalls for the same vehicles and component
23V6190002023-09-06. ELECTRICAL SYSTEM: INSTRUMENT CLUSTER/PANEL
20234872023-08-31. Electrical
23V6040002023-08-30. ELECTRICAL SYSTEM:IGNITION:SWITCH
22V8310002022-11-09. ELECTRICAL SYSTEM:BODY CONTROL MODULE:SOFTWARE; VISIBILITY/WIPER
21V6160002021-08-06. ELECTRICAL SYSTEM:WIRING:RELAYS/SOLENOIDS; ELECTRICAL SYSTEM:WIRING:FUSES AND CIRCUIT BREAKERS
19V6150002019-08-22. ELECTRICAL SYSTEM:IGNITION:ANTI-THEFT:CONTROL MODULE; STEERING:COLUMN LOCKING:ANTI-THEFT DEVICE
19V0940002019-02-13. SERVICE BRAKES; ELECTRICAL SYSTEM: INSTRUMENT CLUSTER/PANEL
18V8240002018-11-26. ELECTRICAL SYSTEM: INSTRUMENT CLUSTER/PANEL
18V4640002018-07-11. ELECTRICAL SYSTEM:IGNITION:ANTI-THEFT:CONTROL MODULE; STEERING:COLUMN LOCKING:ANTI-THEFT DEVICE
20174552017-09-20. Electrical

A recall listed here may apply to some of the same vehicles. Only the manufacturer can say whether it applies to one vehicle.

Other bulletins for the same vehicles and component
VOS-26-472026-09-04. Service bulletin. This is a notice for software changes with the ODIS diagnostic program to correct the communication during vehicle programming function: A software fix is needed to correct the issue: Part number 3Q0-959-435N software version number 1307 has incorrect coding.
VOS-26-422026-08-05. Service bulletin. This is a notice for software changes with the ODIS diagnostic program to correct the communication during vehicle programming function: A software fix is needed to correct the issue: DA 0019 - Hotfix 12-V battery test(s) – No battery diagnosis - Inconclusive test result.
V9326022080670_12026-04-06. Service bulletin. Flushing H.V. Battery before opening
V9323082071535_62026-04-06. Service bulletin. Determine H.V. Battery Health & Remaining Capacity
VOS-26-152026-04-06. Service bulletin. This is a notice for software changes with the ODIS diagnostic program to correct the communication during vehicle programming function: A software fix is needed to correct multiple test plans: All basic settings test for the following components - Fill and bleed cooling system issue, N493, J338, Camshaft, V465 etc. Use this test for all the basic setting. You will need to select the component you need to run the basic settings. But there are also stand-alone tests for each of those components.
VOS-26-012026-02-06. Service bulletin. This is a notice for software changes with the ODIS diagnostic program to correct the communication during vehicle programming function: A software fix is needed to correct a test that is not reading any information from the battery data module (BDM) and will output:
V2715032016076_132026-01-07. Service bulletin. Diagnosis for Excessive Current Draw.
SM 60-20252025-12-05. Other. This special notice is to inform dealers to return the parts listed if it meets the criteria provided.
V9124052074273_62025-12-05. Service bulletin. A "How To" activate Car Net® 2.0 - Emergency Call Module and Communication Unit -J949-Vehicle is Offline (Not Connected)
V9325022079221_12025-10-03. Service bulletin. Age-related capacity losses within several or all cell modules or other non-repairable conditions may dictate the need to replace the complete high-voltage battery.