Over-the-air update notice WTL5

Manufacturer communication, from NHTSA Manufacturer Communications

Published by NHTSA: Sep 4, 2026
Manufacturer: PORSCHE
NHTSA ID: 11037066
NHTSA category: Over The Air
Applies to, as stated by NHTSA: PORSCHE TAYCAN 2020-2023; PORSCHE TAYCAN 4 CROSS TURISMO 2021-2023; PORSCHE TAYCAN 4S 2020-2023; PORSCHE TAYCAN 4S CROSS TURISMO 2021-2023; PORSCHE TAYCAN CROSS TURISMO 2020-2023; PORSCHE TAYCAN GTS 2022-2023; PORSCHE TAYCAN GTS SPORT TURISMO 2022-2023; PORSCHE TAYCAN TURBO 2020-2023; PORSCHE TAYCAN TURBO CROSS TURISM 2021-2023; PORSCHE TAYCAN TURBO S 2020-2023; PORSCHE TAYCAN TURBO S CROSS TURI 2021-2023
Component, as stated by NHTSA: ELECTRICAL SYSTEM; FUEL/PROPULSION SYSTEM; POWER TRAIN

Text of the manufacturer communication

Porsche intranet posting for Campaign WTL5 Over-the-Air (OTA) Update– Reprogramming the high-voltage battery control unit (BMCe)

Manufacturer document number: WTL5
Date of the communication: 2026-08-24
Manufacturer campaign or software version: WTL5

View original source on NHTSA.gov

NHTSA reuses some ID numbers across record types. If its page lists more than one record, this one is the manufacturer communication dated Sep 4, 2026.

For the 2023 Rivian R1S

Adventure, Quad-Motor, Large pack

Ignored

Relevance of 2% is under one half, so the notice is ignored whatever the other figures say.

Vehicle relevance: 2%
Attention: 6%
Interrupt probability: 6%

Importance to this owner: 0.0 of 4, none
Vehicle area the notice is about: None

This manufacturer communication does not appear to warrant attention for this vehicle.

Decided by jev-1.13.0 in 190 ms from 1,829 input tokens. Jev returns these figures and nothing else. It gives no reasons, and none are written for it here. The figures describe how relevant the notice is, not the condition of any vehicle.

Checked by code against NHTSA's fields

A plain comparison with the structured fields NHTSA filled in. Separate from Jev's decision.

NoNHTSA names this make
NoNHTSA names this model
n/aNHTSA lists model year 2023 for this model

The same notice, every vehicle

Relevance	Attention	Interrupt	State
2%	6%	6%	Ignored
2%	8%	8%	Ignored
2%	6%	6%	Ignored
2%	7%	7%	Ignored
2%	6%	6%	Ignored
2%	7%	7%	Ignored
1%	5%	6%	Ignored
1%	3%	5%	Ignored
1%	3%	5%	Ignored
1%	3%	4%	Ignored
1%	3%	5%	Ignored
1%	4%	5%	Ignored
1%	4%	4%	Ignored
1%	3%	4%	Ignored
1%	3%	4%	Ignored
1%	3%	4%	Ignored

Select a vehicle to see its attention and interrupt figures above.