2020 Porsche redundant Cayenne E-Hybrid: common problems
The maker issued 284 service bulletins for this year. Details by component below, with sources.
Key figures
- Technical service bulletins (TSB)
- 284
Components owners complain about
| Component | Owner complaints | involving a crash | Technical service bulletins (TSB) |
|---|---|---|---|
| Electrical system | 0 | 0 | 91 |
| Engine | 0 | 0 | 42 |
| Engine and cooling | 0 | 0 | 28 |
| Equipment | 0 | 0 | 27 |
| Structure | 0 | 0 | 14 |
| Visibility | 0 | 0 | 14 |
| Powertrain | 0 | 0 | 10 |
| Service brakes | 0 | 0 | 6 |
| Fuel/propulsion system | 0 | 0 | 5 |
| Wheels | 0 | 0 | 4 |
| Forward collision avoidance | 0 | 0 | 3 |
| Seats | 0 | 0 | 3 |
| Suspension | 0 | 0 | 3 |
| Seat belts | 0 | 0 | 2 |
What to check before buying
- Electrical system. Scan all modules, test the battery and alternator, inspect connectors near the impact zone.
- Engine. Cold start, unusual noises, oil leaks and engine codes.
- Engine and cooling. Radiator and fan after a frontal hit, coolant level and condition, overheating.
- Structure. Rails, pillars, panel gaps, signs of pulling or welding.
Manufacturer service bulletins
Bulletin titles as filed with NHTSA.
- Parts information for parts withdrawal involving the actuating lever
The part numbers mentioned are in the attached PDF
- Parts information for parts withdrawal involving Solenoid Valve for Coolant Circuit
the vehicles affected are cars that use part numbers 9J1963375N, 9J1963375P, 9J1963375Q, 9J1963375R, 9J1906459C
- Symptom based workshop manual for a Brake Symptom - Yellow Warning Message “PSM Failure” in the Instrument…
Symptom based workshop manual for a Brake Symptom - Yellow Warning Message “PSM Failure” in the Instrument Cluster: Checking Hydraulic Unit and Re-Program PSM Control Unit
- Porsche intranet posting with information on WRF7 Workshop campaign - Replacing charging cable and…
Porsche intranet posting with information on WRF7 Workshop campaign - Replacing charging cable and updating Porsche Mobile Charger software
- Technical information for WRF7 - Replacing Charging Cable and Updating Porsche Mobile Charger Software
- Instructions on advanced technical information for the Surround View Static Calibration – Explanation of…
- Parts information for parts withdrawal involving the door lock
part numbers 9Y0839015, 9Y0839016, 9Y0839016A, 9Y0839015A, 9Y0839015B, 9Y0839016B. Vehicles affected are cars that use the part numbers mentioned.
- Instructions on advanced technical information for Y1A, 971, 9YB, 9YA – Brake Noise & Long Brake Pedal
- Parts information for parts withdrawal involving the high voltage battery
The affected vehicles are ones that use part number 0Z3915913BN (High-voltage Battery)
- Parts information for parts withdrawal involving the Thermostat (PAB121115C)
The cars affected are ones that use this part number.
- Special tools and equipment information on VAS 6292 Spec Update 2025.0.3 (VAS 6292/9 & VAS 6292/10 Required)
- Installation and conversion instructions for the trailer hitch on the 2019-2023 Cayennes
NHTSA lists 284 bulletins for this year; the 12 newest are shown here.
Questions and answers
What are the most common problems with the 2020 Porsche redundant Cayenne E-Hybrid?
There are no owner complaints in the NHTSA data for this year; the data comes from 284 manufacturer service bulletins.
How many service bulletins (TSB) were issued for the 2020 Porsche redundant Cayenne E-Hybrid?
NHTSA lists 284 manufacturer service bulletins for this year. A bulletin tells dealers how to diagnose or fix a known issue; it is not a recall.
Should I buy a 2020 Porsche redundant Cayenne E-Hybrid from a US auction?
Owner complaints describe defects, not crash damage. Before bidding, check the components listed above and review the lot photos: VinWind builds a report of visible and hidden damage by VIN.
Other 2020 models
Read also
Sources: public NHTSA data (USA): service bulletins and owner complaints; YouTube: links to videos credited to their authors. Complaints are owner statements not verified by NHTSA, and describe defects rather than crash damage. Data updated 2026-11-04.