WenmarOpen by Wenmar Pro

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

Only bulletins with component: Equipment and accessories are shown. Show all

Bulletins, newest first
122-Y5B4K-012020-01-03. Service bulletin. ENGINE AND ENGINE COOLING; EQUIPMENT ADAPTIVE/MOBILITY. Additional information for repairing the cylinder head cover near the injector holes if there are leaks.
122-A7G3D-122019-12-04. Service bulletin. EQUIPMENT. List of valid Advanced Technical Information bulletins (ATIs) as of 11/22/2019
122-N3L7S-112019-11-01. Service bulletin. STRUCTURE:BODY:DOOR; EQUIPMENT. Information about retrofitting model designation on doors.
122-P8P9K-112019-11-01. Service bulletin. EQUIPMENT; STRUCTURE:BODY:DOOR. Information about retrofitting model designation on doors.
122-V6A2F-102019-10-31. Service bulletin. EQUIPMENT; TRAILER HITCHES. Porsche Intranet posting for WJ75 campaign, which seeks to check the towing lug on affected vehicles and replace if necessary.
122-R9F7K-102019-10-31. Service bulletin. EQUIPMENT:OTHER:LABELS; FUEL SYSTEM, GASOLINE. Porsche Intranet posting about WH50 campaign, which seeks to replace fuel type stickers on affected vehicles.
122-T5D5X-082019-08-12. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. Installation and conversion instructions for adding snow chains to Cayenne models for winter/off road use.
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-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-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-N8X6K-102018-10-15. Service bulletin. ELECTRICAL SYSTEM:SOFTWARE; EQUIPMENT. Complaint - PCM 5.0 Integrated System: Repair instructions (132/18)
122-B9L7S-072018-08-06. Service bulletin. EQUIPMENT; EQUIPMENT ADAPTIVE/MOBILITY; ELECTRICAL SYSTEM. Subject: Control unit for rear-end electronics Symptom: The alarm system is triggered spontaneously (for no apparent reason). Cause: The mobile phone antenna (GSM) signals can be picked up by the interior surveillance system and result in spontaneous triggering of the alarm system.
122-R9H5B-072018-08-06. Service bulletin. ENGINE; EQUIPMENT ADAPTIVE/MOBILITY. Concerns: Belt tensioner Information: Checking belt tensioner in the event of a complaint about "leaks" before carrying out any other work.
122-B9V4V-062018-06-25. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. Information: The Approval and Support Management system was created to offer assistance to the dealer organization with new and complex technical issues by utilizing the Support Specialists within Porsche R&D. As a result, this process has reduced vehicle downtime and repeat repairs substantially.
122-K8M7U-052018-05-21. Service bulletin. ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:MANIFOLD/HEADER/MUFFLER/TAIL PIPE; EQUIPMENT. Subject: Cayenne S (9YA) As of 2018 Front exhaust pipes Symptom: Buzzing/vibrating noises in the exhaust system area at an engine speed of approx. 1,100 rpm during deceleration. Cause: The exhaust system can expand in an unfavorable direction and become strained at operating temperature. Remedial Action: Loosen clamps on the exhaust system, bring the exhaust system to operating temperature and re-position the clamps.

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