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Service bulletins for the 2021 Porsche Taycan

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.

970 on file from NHTSA, as of 2026-10-19.

By type

By component

By trouble code

Bulletins, newest first
No. 117-222023-09-08. Service bulletin. ELECTRICAL SYSTEM. Symptom-based workshop manual for information on a humming noise from the vehicles front end.
No. 246-222023-09-08. Service bulletin. LATCHES/LOCKS/LINKAGES:TRUNK LID:LATCH; EQUIPMENT. Technical information on rear lid - does not open/rear lid lock is faulty
No. 10-232023-09-08. Service bulletin. ENGINE AND ENGINE COOLING. Instructions on manufacturers certificate for approved Porsche C30 engine oils.
No. 90-232023-09-08. Service bulletin. ELECTRICAL SYSTEM:12V/24V/48V BATTERY; ELECTRICAL SYSTEM. Technical information on WNW3 - check high-voltage battery and replace if necessary
WNW22023-08-07. Service bulletin. ELECTRICAL SYSTEM. Porsche intranet posting with information on WNW2 - workshop campaign - software update for high-voltage battery control unit
WPF92023-08-07. Service bulletin. EQUIPMENT. Porsche intranet posting with information on WPF9 workshop campaign - Checking Driver’s Manual and replacing it if necessary
No. 14-232023-08-04. Service bulletin. ENGINE AND ENGINE COOLING. Manufacturers certificate for allocation of approved engine oils
PIWIS2301as2023-08-03. Service bulletin. EQUIPMENT. Information for PIWIS tester update 42.100.000, .010 & .011
No. 269-222023-08-03. Service bulletin. ELECTRICAL SYSTEM. Technical information for WNW2 - reprogramming high-voltage battery unit
No. 74-21-12023-08-03. Service bulletin. ELECTRICAL SYSTEM. Technical information for a replacement requirement of high-voltage components after tripped HV fuse. additional insulation measurement required before vehicle commissioning
No. 86-232023-08-03. Service bulletin. ELECTRICAL SYSTEM; EQUIPMENT. Symptom-based workshop manual for the noise symptom - whirring, vibration in the area if the front end. check air-conditioning compressor mounts are secure
No. 46-232023-08-03. Service bulletin. SERVICE BRAKES; ELECTRICAL SYSTEM. Symptom-based workshop manual for the grey cast disc brakes - scrapping noises from the front axle area
No. 23152023-08-03. Service bulletin. ELECTRICAL SYSTEM. Instructions on advanced technical information for the Porsche Mobile Charger
No. 90-212023-08-03. Service bulletin. SERVICE BRAKES. Symptom-based workshop manual for the brake pedal. travel perceived as too long just before the vehicle comes to a standstill.
PIWIS2301ar2023-08-03. Service bulletin. BACK OVER PREVENTION:SOFTWARE. Information for PIWIS tester updates 42.000.050 & .051
No. 63-232023-08-03. Service bulletin. EQUIPMENT. Technical information for WPF9 - reviewing owners manual and replacing it if necessary
No. 2116.22023-08-03. Service bulletin. ELECTRICAL SYSTEM. Instructions on advanced technical information for the red warning instrument cluster - occupant seat belt not fastened.
PIWIS2301aq2023-08-03. Service bulletin. BACK OVER PREVENTION:SOFTWARE. Information for PIWIS tester update 42.000.048
PIWIS2301ap2023-08-03. Service bulletin. EQUIPMENT. Information for PIWIS tester update 42.000.040
PIWIS2301ao2023-08-03. Service bulletin. EQUIPMENT. Information for PIWIS tester update 42.000.035
No. 243-222023-07-06. Service bulletin. ELECTRICAL SYSTEM. Technical information for WNV0 - reprogramming battery sensor control unit and electronic air-conditioning compressor control unit
No. 1706.22023-07-06. Service bulletin. ELECTRICAL SYSTEM. Instructions on advanced technical information for packaging and test log requirements for high voltage lithium-ion battery returns.
No. 23112023-07-06. Service bulletin. EQUIPMENT. Special tools information on an upgrade to the pushers for the VAS5237
No. 23102023-07-06. Service bulletin. ELECTRICAL SYSTEM. Special tools information for the Tayca HV Battery leak test tools
No. 80-232023-07-06. Service bulletin. ELECTRICAL SYSTEM; ELECTRICAL SYSTEM: INSTRUMENT CLUSTER/PANEL. Technical information on APA5 - reprogramming instrument cluster

The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.