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Service bulletins for the 2021 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.

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

By type

By component

By trouble code

Bulletins, newest first
No. 06-09-32024-05-02. Service bulletin. ELECTRICAL SYSTEM. Technical information for evaluating overspeed events on the Cayenne
No. 24132024-05-02. Service bulletin. ENGINE AND ENGINE COOLING. Instructions on advanced technical information for the Cayenne - squealing noises during light deceleration/coasting
No. 24122024-05-02. Service bulletin. ENGINE AND ENGINE COOLING. Instructions on advanced technical information for the Cayenne - fuel tank isolation valve for tank ventilation system - stuck open
No. 177-232024-05-02. Service bulletin. ELECTRICAL SYSTEM. Technical information for WPR0 - recoding thermal management control unit
No. 20-242024-04-03. Service bulletin. POWER TRAIN. Technical information for an assessment of cracks on elastomer bearings on the front and rear axles.
No. 03-242024-04-03. Service bulletin. ENGINE AND ENGINE COOLING. Instructions on the manufacturers certificate for allocation of approved engine oils
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. 2307.12024-04-03. Service bulletin. ENGINE AND ENGINE COOLING. Instructions on advanced technical information for the display of "coolant temperature too high"
No. 2109.22024-04-02. Service bulletin. ELECTRICAL SYSTEM. Instructions on advanced technical information for critical 12v li-ion battery recycling.
No. 2116.32024-04-02. Service bulletin. SEAT BELTS. Instructions on advanced technical information for the red warning on the instrument cluster. Occupant seat belt not fastened.
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. 166-21-12024-02-08. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE:OIL/LUBRICATION:PIPES, HOSES, AND FITTINGS; EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL; EQUIPMENT; ENGINE AND ENGINE COOLING. Technical information for Oil Leakage on Cylinder Head Cover: Insert Micro-Self-Locking Screw
No. 24022024-02-08. Service bulletin. EQUIPMENT; EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL; STRUCTURE:BODY:ROOF AND PILLARS. Instructions on advanced technical information for the Cayenne - roof sonsole rattles
No. 2327.12024-02-07. Service bulletin. FUEL SYSTEM, GASOLINE. Instructions on advanced technical information for the Cayenne - GTS and Turbo low fuel pressure
No. 2121.12024-02-07. Service bulletin. ELECTRICAL SYSTEM. Instructions on advanced technical information for ACC dynamic calibration fault
No. 167-23-22024-01-03. Service bulletin. ENGINE AND ENGINE COOLING. Technical information for the coolant warning light lights up - supposed coolant loss on coolant pump
No. 23322024-01-03. Service bulletin. POWER TRAIN; ENGINE AND ENGINE COOLING. Instructions on advanced technical information for the Cayenne auxiliary hydraulic pump for transmission oil fault
No. 2323.12024-01-03. Service bulletin. VISIBILITY. Instructions on advanced technical information for the surround camera intermittent operation
No. 2204.22024-01-03. Service bulletin. ENGINE AND ENGINE COOLING. Instructions on advanced technical information for broken valve springs
WPR02023-12-08. Service bulletin. ENGINE AND ENGINE COOLING. Porsche intranet posting with information on recoding thermal management control unit

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