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Service bulletins for the 2020 Porsche Cayenne

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.

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

By type

By component

By trouble code

Only bulletins with component: Electrical system are shown. Show all

Bulletins, newest first
No. SPTL20102020-08-05. Service bulletin. ELECTRICAL SYSTEM; ENGINE AND ENGINE COOLING. Information on new pressure sensor and a cooling system tester for HV batteries.
No. 32-202020-08-05. Service bulletin. ELECTRICAL SYSTEM. Information on new part numbers for Porsche Mobile Chargers for e-hybrid vehicles.
No. D4a2020-07-02. Service bulletin. ELECTRICAL SYSTEM; EQUIPMENT. Document showing the evolution of Porsche Vehicles since 1948.
PIWIS2001v2020-07-02. Service bulletin. ELECTRICAL SYSTEM:SOFTWARE; EQUIPMENT. Information on new PIWIS tester update 39.500.020 and .025.
No. 31-202020-07-01. Service bulletin. EQUIPMENT; ELECTRICAL SYSTEM. Instructions on how to handle 12V vehicle batteries.
No. 41-202020-07-01. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL; ELECTRICAL SYSTEM:SOFTWARE. Instructions on how to perform a PVTS Software update in the event that a car will not start.
No. 32-202020-07-01. Service bulletin. EQUIPMENT; ELECTRICAL SYSTEM. Information on new part numbers for Porsche mobile charger.
No. 153-192020-07-01. Service bulletin. EQUIPMENT; ELECTRICAL SYSTEM. Instruction on what to do if a hybrid vehicle is not charging using the main 208V power supply. New mobile charger software will have to be installed.
No. 20052020-06-02. Service bulletin. ELECTRICAL SYSTEM:SOFTWARE. Information on new VCI cables available for purchase by dealers.
No. 31-122020-06-01. Service bulletin. ELECTRICAL SYSTEM. Instructions for what to do in the event that the customer loses the driver's key while transporting the vehicle.
No. 41-202020-06-01. Service bulletin. ELECTRICAL SYSTEM. Instructions for how to perform a software update on the Control unit for the auxiliary alarm system in the event that the vehicle will not start.
122-P4P6Z-042020-04-02. Service bulletin. ELECTRICAL SYSTEM. Instructions for reprogramming the PCM 5.0 if daylight savings time is not in effect.
122-P5T5Z-042020-04-01. Service bulletin. ELECTRICAL SYSTEM. Instructions for repairing the ignition starter switch in the event that it is jammed into the dashboard trim.
122-M8V5S-032020-03-05. Service bulletin. ELECTRICAL SYSTEM. Porsche intranet posting for Workshop campaign WLC3.
122-H6D8D-032020-03-05. Service bulletin. ELECTRICAL SYSTEM. Bulletin outlining new PIWIS tester update 39.100.030 & .035
122-V4J2F-032020-03-05. Service bulletin. ELECTRICAL SYSTEM. Bulletin outlining PIWIS tester update 39.200.000, .010, .015, .016, & .017
122-P7A8T-022020-02-04. Service bulletin. ELECTRICAL SYSTEM. Technical information outlining the customer complaint that the locking "beep" not working as specified. The issue can be corrected by reprogramming the vehicle's rear end electronics.
122-K9F9R-022020-02-04. Service bulletin. ELECTRICAL SYSTEM. Technical information guide outlining what to do if the remote access option in the new PCM is not available after initial commissioning.
122-H6T6G-022020-02-04. Service bulletin. ELECTRICAL SYSTEM. Technical information outlining what to do if a customer complains of clicking noises during outgoing calls when seat heating is active.
122-H7F8C-022020-02-04. Service bulletin. ELECTRICAL SYSTEM. Technical information outlining what to do if a customer complains of clicking noises during outgoing calls when seat heating is active.
122-A8K3M-022020-02-04. Service bulletin. ELECTRICAL SYSTEM. Technical information guide highlighting how to fix the rear lid opening when someone is in the loading area of the luggage compartment of the vehicle. The remedy is to recode the lid proximity sensor Control Unit.
122-Y3Y7Y-022020-02-04. Service bulletin. ELECTRICAL SYSTEM. Parts withdrawal bulletin for various outdated control units on a variety of vehicles.
122-A9R3U-012020-01-03. Service bulletin. ELECTRICAL SYSTEM. Information about new PIWIS Tester update 39.050.010
122-S2J9B-012020-01-03. Service bulletin. ELECTRICAL SYSTEM. Information about new PIWIS Tester update 39.050.012
122-M6J2U-012020-01-03. Service bulletin. ELECTRICAL SYSTEM. Information about PIWIS Tester update 39.000.020

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