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Service bulletins for the 2018 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.

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

By type

By component

By trouble code

Bulletins, newest first
122-C9S9E-082019-08-12. Service bulletin. SERVICE BRAKES, HYDRAULIC:FOUNDATION COMPONENTS:DISC; SERVICE BRAKES, HYDRAULIC; SERVICE BRAKES, AIR:DISC. Information about possible noise squeaks from Cayenne front disk brakes due to high performance brakes being installed.
122-C3T2Z-082019-08-12. Service bulletin. ENGINE; ELECTRICAL SYSTEM:SOFTWARE; EQUIPMENT. Information about possible fault codes being displayed after vehicle has not been driven for an extended period of time, and instructions on how to clear the faults.
122-W5C2W-082019-08-12. Service bulletin. ENGINE; EQUIPMENT ADAPTIVE/MOBILITY. Information about possible engine knocking and how to clean carbon deposits is they are dirty and causing knocking.
122-R8W4S-082019-08-12. Service bulletin. SERVICE BRAKES, HYDRAULIC:FOUNDATION COMPONENTS:DISC; SERVICE BRAKES, HYDRAULIC; SERVICE BRAKES, AIR:DISC. Information about possible noise squeaks from Cayenne rear disk brakes due to high performance brakes being installed.
122-X2X7N-072019-07-08. Service bulletin. ENGINE AND ENGINE COOLING. Notice to dealers that coolants will be moved out of the special tool cabinet in the dealer service department in order to make room for new special tools. All coolant tools will be moved to the "Coolant Cart" because they need to be housed in the same place.
122-V3B6B-072019-07-08. Service bulletin. EQUIPMENT:APPLIANCE:AIR CONDITIONER. Announcement of a 6 month warranty extension on VAS 581005P R1234yf Service Units for air conditioning.
122-L6P5E-072019-07-08. Service bulletin. ELECTRICAL SYSTEM. Request for dealers to remove Special Tool VAS 6839 from High Voltage tool box because the unit could give erroneous voltage readings. PAG has decided that VAS 6558A could be used in its place.
122-P7G9C-042019-04-08. Service bulletin. POWER TRAIN. Longitudinal jerking can occur at speeds of approx. 120 mph (190 km/h) under full load.
122-K8J3T-042019-04-08. Service bulletin. ENGINE AND ENGINE COOLING. There is cast residue in the cylinder head cover sealing groove, causing the injector holes to leak.
122-J9T9U-042019-04-08. Service bulletin. VISIBILITY:SUN/MOON ROOF ASSEMBLY. Outer seal on Panoramic roof is faulty, causing water to leak into vehicle.
122-U7W3Z-032019-03-25. Service bulletin. TIRES; WHEELS. This bulletin contains information about: ? technically permissible wheel/tire combinations,
122-Y7G4E-032019-03-25. Service bulletin. STRUCTURE:BODY:TRUNK LID. The rear lid does not close normally.
122-U8T8P-032019-03-25. Service bulletin. ELECTRICAL SYSTEM:12V/24V/48V BATTERY. Complaint - Battery Low and YellowWarning Message "Battery low _ Service necessary"
122-A9Y2L-032019-03-25. Service bulletin. EQUIPMENT. The customer complains of no AC or heat at times, or airflow locations are not at the correct vents.
122-H6L3Q-122019-02-25. Service bulletin. EQUIPMENT. G2 Panamera and E3 Cayenne Coaxial cable ordering concept
122-C4D6M-122019-02-25. Service bulletin. EQUIPMENT. Information: Due to a control error while completing the tool kit, there is a possibility that a towing lug with right thread instead of left thread was supplied with the affected vehicles. As a result, the supplied towing lug cannot be installed as described in the Owner's Manual. The vehicle cannot therefore be towed and cannot tow other vehicles using this towing lug.
122-U5W7U-012019-02-25. Service bulletin. EXTERIOR LIGHTING:TAIL LIGHTS. Tail Light Defective Warning in the Instrument Cluster
122-R8P3T-012019-02-25. Service bulletin. ENGINE. Oil Leakage from Cylinder Head of 3.0 and 2.9-Liter V6 Engines
122-J5Q5U-012019-02-25. Service bulletin. EXTERIOR LIGHTING:TAIL LIGHTS; EXTERIOR LIGHTING. Subject: Tail light Information: Due to production errors, the tail lights can have visual defects. Thesemay be slight cracks at the edges ("shining line") or significant cracks.
122-J9R5B-012019-02-25. Service bulletin. BACK OVER PREVENTION; ELECTRICAL SYSTEM. Symptom: The front "Real Top View" camera display in the PCM is milky/cloudy although the camera lens is clean and dry.
122-P2W6V-012019-02-25. Service bulletin. TIRES; WHEELS. This bulletin contains information about ? technically permissible wheel/tire combinations,
122-F9S5J-092018-11-19. Service bulletin. ELECTRICAL SYSTEM. Cause The control unit for the auxiliary alarm system has limited bus communication. Date of Introduction Control units for the auxiliary alarm system with updated software have been used in production since the beginning of December 2017.
122-P4L5H-092018-11-19. Service bulletin. TIRES:PRESSURE MONITORING AND REGULATING SYSTEMS. Equipment: Tire Pressure Monitoring (TPM) 433 MHz (I-no. 7K3) Subject: Control unit for Tire Pressure Monitoring (TPM)
122-R7X8Y-092018-11-19. Service bulletin. ELECTRICAL SYSTEM. Customer Concern Customer complains of vehicle stalling and/or Check Engine Light illuminated (DME fault code ?P032200 Engine speed sender - no signal? or ?P032100 - Engine speed sensor, implausible signal? may be stored). Technical Background The crankshaft position sensor can have an intermittent internal electrical connection. It is from a bad batch produced at the supplier in April 2017. Vehicles built in late 2017 model year and very early 2018 model year may have one of these sensors.
122-K3E2B-092018-11-19. Service bulletin. SERVICE BRAKES, HYDRAULIC. Subject: Retainer spring for front brake pad Symptom: A clicking noise can come from around the front axle when changing direction of travel or when braking suddenly while driving slowly. Cause: During load changes or changes in direction, the brake pads can hit against the brake caliper and cause the clicking noise.

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