# Service bulletin No. 86\-20

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.

- Type: Service bulletin
- NHTSA id: 10176855
- Published by NHTSA: 2020\-07\-01
- Manufacturer's number: No. 86\-20
- Manufacturer's date: 2020\-06\-29
- NHTSA component: POWER TRAIN; EQUIPMENT

## NHTSA's summary

Instructions on what to do if the Taycan is displaying yellow "Transmission Fault" warnings on screen.

## The document

- [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2020/MC-10176855-0001.pdf)
- [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2020/MC-10176855-9999.pdf)

The document is the manufacturer's. This site does not hold it.

## Components

Equipment and accessories, Transmission and driveline

## Vehicles listed

- 2020 PORSCHE TAYCAN

## Recalls for the same vehicles and component

- [2023662](/recalls/tc/2023662.md), 2023-12-13: Accessories
- [22V404000](/recalls/nhtsa/22V404000.md), 2022-06-08: BACK OVER PREVENTION: SENSING SYSTEM: CAMERA; POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE \(TCM/PCM/TECM\)
- [2021401](/recalls/tc/2021401.md), 2021-06-28: Powertrain

## Other bulletins for the same vehicles and component

- [WTL2](/bulletins/11037863.md), 2026-10-02, Service campaign: FUEL/PROPULSION SYSTEM; VISIBILITY/WIPER; ELECTRICAL SYSTEM; STRUCTURE:BODY; POWER TRAIN. Porsche intranet posting for Campaign WTL2 – Replacing Electric Passenger Compartment Heater
- [No. WTL2](/bulletins/11037862.md), 2026-10-02, Service campaign: ELECTRICAL SYSTEM; STRUCTURE:BODY; FUEL/PROPULSION SYSTEM; VISIBILITY/WIPER; POWER TRAIN. Technical Information for Campaign WTL2 – Replacing Electric Passenger Compartment Heater
- [WTL5](/bulletins/11037066.md), 2026-09-04, Over\-the\-air update: FUEL/PROPULSION SYSTEM; POWER TRAIN; ELECTRICAL SYSTEM. Porsche intranet posting for Campaign WTL5 Over\-the\-Air \(OTA\) Update– Reprogramming the high\-voltage battery control unit \(BMCe\)
- [No. D780](/bulletins/11032387.md), 2026-05-07, Service bulletin: ENGINE; POWER TRAIN. Parts information for parts withdrawal involving the transmission oil. Part number 00004321012 is affected \- the vehicles that use this part number should be included.
- [No. D776](/bulletins/11032274.md), 2026-05-06, Service bulletin: ENGINE; POWER TRAIN. Parts information for parts withdrawal involving the transmission oil. The vehicles affected are ones that use the part number 00004330563
- [No. D768.1](/bulletins/11030909.md), 2026-04-07, Service bulletin: POWER TRAIN. Parts information for parts withdrawal involving the transmission fluid. Part number 00004321048. The cars affected are ones that use the part number listed.
- [No. D768](/bulletins/11029202.md), 2026-03-02, Service bulletin: POWER TRAIN. Parts information for parts withdrawal involving the \(00004321048\) Transmission fluid. The vehicles affected are ones that use the part number mentioned.
- [No. D761](/bulletins/11029150.md), 2026-03-02, Service bulletin: POWER TRAIN. Parts information for parts withdrawal involving the 7 speed dual clutch gear box. Part numbers 0BG300047 and 0BG300047X are affected. Cars that are involved are ones that use the part numbers mentioned.
- [No. D735.1](/bulletins/11024071.md), 2025-10-08, Service bulletin: POWER TRAIN. Parts information for parts withdrawal involving the rear axle steering. The part numbers are 992501031H, 992501032H, 992501033AB, 992501033AC. The vehicles affected are cars that use the part numbers listed
- [No. 86\-20](/bulletins/11023000.md), 2025-09-09, Service bulletin: POWER TRAIN; ELECTRICAL SYSTEM. Symptom based workshop manual for Transmission Symptom \- Yellow Warning Message, Jammed Claw Clutch, P1D2E00, 00ABC8

JSON: [/v1/bulletins/10176855](/v1/bulletins/10176855)

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