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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. D6932024-09-05. Service bulletin. ELECTRICAL SYSTEM. Parts information for parts withdrawal involving the wire set - 976971227 & 976971227A
No. 24262024-09-05. Service bulletin. ELECTRICAL SYSTEM. Instructions on advanced technical information for a battery replacement module information
No. 04-24-22024-09-05. Service campaign. ELECTRICAL SYSTEM. Technical information for WPS1 - checking pressure sensors and replacing them if necessary
No. 04-24-12024-09-05. Service campaign. ELECTRICAL SYSTEM. Technical information for WPS1 - checking pressure sensors and replacing them if necessary
No. 63-24-22024-09-04. Service bulletin. ELECTRICAL SYSTEM. Technical information for Replacement Requirement for 37 Ah High-Voltage Battery Cell Module on Vehicles up to Model Year 2020 (L): Re-Programming High-Voltage Battery Control Unit
WPU12024-08-06. Service campaign. ELECTRICAL SYSTEM. Porsche intranet posting for information on workshop campaign WPU1 - Supplying charging cable and update Porsche Mobile Charger software
No. D6902024-08-06. Service bulletin. ELECTRICAL SYSTEM. Parts information for parts withdrawal involving the charger for the high-voltage battery
No. 2121.22024-08-06. Service bulletin. FORWARD COLLISION AVOIDANCE: ADAPTIVE CRUISE CONTROL; ELECTRICAL SYSTEM. Instructions on advanced technical information for the Cayenne - dynamic calibration fault C110300
No. 31-202024-06-05. Service bulletin. ELECTRICAL SYSTEM. Technical information for diagnosis and handling of the 12 volt lithium-ion battery
No. 63-24-12024-06-05. Service bulletin. ELECTRICAL SYSTEM. Technical information for a replacement requirement for 37 ah high-voltage battery cell module on Cayenne E-Hybrids from MY19-20. Reprogramming high-voltage battery control unit
No. 55-242024-06-05. Service bulletin. ELECTRICAL SYSTEM. Technical information for troubleshooting the front window pane reversed - closes and/or opens incorrectly.
No. 169-21-22024-06-04. Over-the-air update. ELECTRICAL SYSTEM. Technical information for the OTA map update (failed) - navigation map view in the PCM screen is black/incomplete.
No. 06-09-32024-05-02. Service bulletin. ELECTRICAL SYSTEM. Technical information for evaluating overspeed events on the Cayenne
No. 177-232024-05-02. Service bulletin. ELECTRICAL SYSTEM. Technical information for WPR0 - recoding thermal management control unit
No. 03-232024-04-03. Service bulletin. ELECTRICAL SYSTEM. Technical information for various error messages regarding driver assistance systems in the instrument cluster.
No. 2328.12024-04-03. Service bulletin. VISIBILITY:POWER WINDOW DEVICES AND CONTROLS; ELECTRICAL SYSTEM; VISIBILITY. Instructions on advanced technical information for the Macan and Cayenne - front window motor without function
No. 2109.22024-04-02. Service bulletin. ELECTRICAL SYSTEM. Instructions on advanced technical information for critical 12v li-ion battery recycling.
No. 24082024-03-05. Service bulletin. ELECTRICAL SYSTEM:IGNITION; ELECTRICAL SYSTEM. Instructions on advanced technical information for the ignition lock error - B143C29
No. 24062024-03-05. Service bulletin. ELECTRICAL SYSTEM. Instructions on advanced technical information for the mobile phone inductive charger information
No. 2229.112024-03-05. Service bulletin. ELECTRICAL SYSTEM:12V/24V/48V BATTERY; ELECTRICAL SYSTEM. Instructions on advanced technical information for the Cayenne and 911 - conbox current draw discharges 12v battery
No. 211-23-22024-03-05. Service bulletin. ELECTRICAL SYSTEM; ELECTRICAL SYSTEM: INSTRUMENT CLUSTER/PANEL. Symptom based workshop manual for the yellow warning message "PSM failure" in the instrument cluster - Checking Hydraulic Unit and Re-Program PSM Control Unit
PIWIS2401j2024-03-04. Service bulletin. UNKNOWN OR OTHER; ELECTRICAL SYSTEM:SOFTWARE. Information for PIWIS tester update 42.500.020
No. 31-202024-03-04. Service bulletin. ELECTRICAL SYSTEM; ELECTRICAL SYSTEM:12V/24V/48V BATTERY. Technical information for a diagnosis and handling of 12 volt lithium ion battery
No. 2121.12024-02-07. Service bulletin. ELECTRICAL SYSTEM. Instructions on advanced technical information for ACC dynamic calibration fault
No. 2016.22023-12-08. Service bulletin. ELECTRICAL SYSTEM. Instructions on advanced technical information for troubleshooting AC charging

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