Service bulletins for the 2021 Volkswagen Jetta
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.
487 on file from NHTSA, as of 2026-10-19.
By type
By component
By trouble code
By topic
| TT 96 14 05_15 | 2021-04-06. Service bulletin. EQUIPMENT. Immobilizer Key/Key Remote Adaptation Test Plan, updated to include additional model and model year applicability. |
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| TT 57 18 02_3 | 2021-04-06. Service bulletin. ELECTRICAL SYSTEM. Key battery diagnosis, updated to include additional model year applicability. |
| SM 22-2021 | 2021-04-06. Service bulletin. EQUIPMENT. This special notice is to inform dealers to return the parts listed if it meets the criteria provided. |
| Dealer 24FX | 2021-04-06. Service bulletin. ENGINE AND ENGINE COOLING. In the event of a catalytic converter failure, which could negatively impact tailpipe emissions, existing diagnostics may not properly illuminate the check engine light (MIL) due an error identified with Rear O2 Sensor monitoring. Additionally, under certain conditions, the engine may stall at low speeds (such as while the vehicle is slowing down or coming to a stop), or when the vehicle is already at a stop with the engine running. |
| Circular 24FX | 2021-04-06. Service bulletin. ENGINE AND ENGINE COOLING. In the event of a catalytic converter failure, which could negatively impact tailpipe emissions, existing diagnostics may not properly illuminate the check engine light (MIL) due an error identified with Rear O2 Sensor monitoring. Additionally, under certain conditions, the engine may stall at low speeds (such as while the vehicle is slowing down or coming to a stop), or when the vehicle is already at a stop with the engine running. |
| V941901201152117 | 2021-04-06. Service bulletin. EXTERIOR LIGHTING. Exterior lighting moisture in lens updated to exclude LED lighting. |
| V5719022055190_3 | 2021-04-06. Service bulletin. ELECTRICAL SYSTEM. Remote Key Battery replacement. Updated to include additional models and model year applicability. |
| V3718022033975_7 | 2021-04-06. Service bulletin. POWER TRAIN. Transmission Fluid requirements updated to include additional model year applicability. |
| V011615201481512 | 2021-04-06. Service bulletin. FUEL SYSTEM, GASOLINE. VW approved gasoline fuel additive, update to include additional models and model year applicability. |
| V001713203384613 | 2021-03-04. Service bulletin. ENGINE AND ENGINE COOLING. Update to top tier brochure purchasing url. |
| TT 57 21 01_3 | 2021-03-04. Service bulletin. EQUIPMENT. MQB KESSY adaptation tip. |
| TT 91 21 01 | 2021-03-04. Service bulletin. EQUIPMENT. Diagnostic Tool, log in usage. |
| TT 27 21 01 | 2021-03-04. Service bulletin. VISIBILITY:REARVIEW MIRRORS/DEVICES. Calibration Mirror(s) information for special tool VAS 6430 |
| TT 00 18 05_2 | 2021-03-04. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE:ENGINE CONTROL MODULE (ECU/ECM). Update models and model year applicability. |
| 2021OilCapChart | 2021-03-04. Service bulletin. ENGINE AND ENGINE COOLING. This Document was revised to include 2021 Model Year |
| V171901201285532 | 2021-03-04. Service bulletin. ENGINE AND ENGINE COOLING. Updated to include update recommended engine oil attachments. |
| V011812201460316 | 2021-03-04. Service bulletin. ELECTRICAL SYSTEM. Software Version Management (SVM) instruction updated to include model year 2021 |
| 21ID4ServXprs | 2021-03-04. Service bulletin. ELECTRICAL SYSTEM. New Doc |
| VIN4APIN20210121 | 2021-02-04. Service bulletin. FUEL SYSTEM, OTHER. Customer states MIL-on with P2421 Customer states MIL-on with Misfire code Customer states clutch pedal makes noise No crank, no start Customer states no voice output during calls / micro phone inoperative Customer states fuel odor/leak in the rear part of the vehicle (without a punctured fuel tank, hoses or pipes) or difficulty fueling fuel tank or fuel coming back up filler neck |
| V871810204370415 | 2021-02-04. Service bulletin. SERVICE BRAKES, AIR:SUPPLY:COMPRESSOR. A/C requirements, update to title. |
| TT 97 14 02 | 2021-02-04. Service bulletin. BACK OVER PREVENTION:SOFTWARE. Data link diagnostics and tips |
| V1719012012855_3 | 2021-02-04. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. Updated to include an additional model year applicability. |
| TT 57 21 01 | 2021-02-04. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. MQB KESSY adaptation tip |
| VIN4APIN20210114 | 2021-02-04. Service bulletin. EQUIPMENT; ELECTRICAL SYSTEM. Customer states MIL-on with P0556 Customer states MIL-on with P2421 Customer states MIL-on with Misfire code Customer states clutch pedal makes noise No crank, no start Customer states no voice output during calls / micro phone inoperative Customer states fuel odor/leak in the rear part of the vehicle (without a punctured fuel tank, hoses or pipes) or difficulty fueling fuel tank or fuel coming back up filler neck |
| VIN4APIN20210104 | 2021-02-04. Service bulletin. ELECTRICAL SYSTEM; EQUIPMENT. Customer states MIL-on with P0556 Customer states MIL-on with P2421 Customer states MIL-on with Misfire code Customer states clutch pedal makes noise No crank, no start Customer states no voice output during calls / micro phone inoperative Customer states fuel odor/leak in the rear part of the vehicle (without a punctured fuel tank, hoses or pipes) or difficulty fueling fuel tank or fuel coming back up filler neck |
The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.