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: Transmission and driveline are shown. Show all

Bulletins, newest first
No. 20202020-10-01. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE (TCM/PCM/TECM). Information on new special tool for offline updates of the PCM Versions 4 and 5.
No. 8HP65AX2020-10-01. Service bulletin. POWER TRAIN. System description document of automatic transmission - 8HP65AX
No. 20132020-10-01. Service bulletin. POWER TRAIN. Information on a new tool, the new Cayenne puller for the differential bearing.
No. 83-20.22020-09-02. Service bulletin. POWER TRAIN. Extended warranty information on the Cayenne Transfer Gear MY15-18.
No. 69-202020-08-05. Service bulletin. POWER TRAIN. Campaign instructions for Porsche Workshop Campaign WLE6 - Replacing Pulse Sender.
No. 43-102020-08-05. Service bulletin. POWER TRAIN. Various repair symptoms and their associated repairs for all PDK transmissions.
122-A4Q6J-052020-05-05. Service bulletin. POWER TRAIN. Parts withdrawal for a selector lever on certain Cayenne models.
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-E3W4E-102018-10-15. Service bulletin. POWER TRAIN:DRIVELINE:DIFFERENTIAL UNIT. Symptom: The yellow warning message "Rear differential lock failure Adapted driving permitted" can appear in the instrument cluster. Cause: The yellow warning message can appear in the instrument cluster due to defective control unit software.
122-B6P3D-032018-03-13. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION. Symptom: Hard or jerky gear changes. Cause: This is caused by the transition phase when changing from the engaged gear to the target gear. Various components of the powertrain affect the shifting quality. Remedial Action: In the event of a customer complaint, use PIWIS Tester III with software 36.400.020 (or higher) installed to: ? re-program and code the Tiptronic control unit via "Automatic programming" and ? reset the adaptation values.

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