Technical Service Bulletin Circular 91DE — 2021 VOLKSWAGEN JETTA
EQUIPMENT:ELECTRICAL
Bulletin Details
| TSB ID | Circular 91DE |
| Manufacturer | |
| Vehicle | 2021 VOLKSWAGEN JETTA |
| Component | EQUIPMENT:ELECTRICAL |
| Communication Date |
Bulletin Summary
SERV_ACT - Connected Services (OCU3 High Module) Software Update
About Technical Service Bulletins
A Technical Service Bulletin (TSB) is a document issued by a vehicle manufacturer to its dealers, describing a known issue with a specific vehicle or set of vehicles and the recommended procedure to fix it. Unlike recalls, TSBs are not mandatory and are typically only performed if an owner reports the related issue. However, TSBs can be an indicator of common problems with a vehicle.
Other TSBs for the 2021 VOLKSWAGEN JETTA
V0122032066602_3
ELECTRICAL SYSTEM
SM 54-2024
ELECTRICAL SYSTEM
V9723022072446_1
ELECTRICAL SYSTEM:BODY CONTROL MODULE:SOFTWARE
V0123122072378_1
ENGINE AND ENGINE COOLING:ENGINE:ENGINE CONTROL MODULE (ECU/ECM):SOFTWARE
V0122032066602_1
ENGINE AND ENGINE COOLING
Dealer 91DE
ELECTRICAL SYSTEM:SOFTWARE
Circ91CZ91DCREV1
ELECTRICAL SYSTEM:BODY CONTROL MODULE:SOFTWARE
V871808204903915
ELECTRICAL SYSTEM
V461901201024528
SERVICE BRAKES
VIN4APIN20211116
ENGINE AND ENGINE COOLING:ENGINE:CRANK/CAMSHAFT POSITION SENSOR