# Service bulletin No. 96\-21

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.

- Type: Service bulletin
- NHTSA id: 10203079
- Published by NHTSA: 2021\-11\-05
- Manufacturer's number: No. 96\-21
- Manufacturer's date: 2021\-10\-19
- NHTSA component: ENGINE AND ENGINE COOLING

## NHTSA's summary

Overview of approved engine C20 engine oils for all Porsche models using C20 oil.

## The document

- [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2021/MC-10203079-0001.pdf)
- [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2021/MC-10203079-9999.pdf)

The document is the manufacturer's. This site does not hold it.

## Components

Engine

## Vehicles listed

- 2020 PORSCHE 718 BOXSTER
- 2020 PORSCHE 718 SPYDER
- 2020 PORSCHE 911
- 2020 PORSCHE 911 CARRERA
- 2020 PORSCHE 911 CARRERA S
- 2020 PORSCHE 911 TARGA 4
- 2020 PORSCHE CAYENNE
- 2020 PORSCHE CAYENNE E\-HYBRID
- 2020 PORSCHE CAYENNE S
- 2020 PORSCHE CAYENNE S E\-HYBRID
- 2020 PORSCHE CAYENNE TURBO
- 2020 PORSCHE CAYENNE TURBO COUPE
- 2020 PORSCHE CAYENNE TURBO S HYB COUPE
- 2020 PORSCHE CAYMAN
- 2020 PORSCHE MACAN
- 2020 PORSCHE MACAN S
- 2020 PORSCHE PANAMERA
- 2020 PORSCHE PANAMERA 4S
- 2020 PORSCHE TAYCAN

## Recalls for the same vehicles and component

- [21V486000](/recalls/nhtsa/21V486000.md), 2021-06-29: ENGINE AND ENGINE COOLING:ENGINE:ENGINE CONTROL MODULE \(ECU/ECM\):SOFTWARE; ELECTRICAL SYSTEM:PROPULSION SYSTEM:TRACTION MOTOR:CONTROLLER:SOFTWARE

## Other bulletins for the same vehicles and component

- [No. 91\-26](/bulletins/11037847.md), 2026-10-02, Service bulletin: POWER TRAIN; ENGINE. Technical Information for Particles/Metal Chips/Residues in Engine Oil
- [No. 28\-26](/bulletins/11037816.md), 2026-10-02, Service bulletin: POWER TRAIN; ENGINE. Manufacturer's Certificate for Overview of Approved Porsche C40 Engine Oils. Note that this bulletin covers all models back to model year 1984, for which C40 engine oils are allocated.
- [No. 27\-26](/bulletins/11037813.md), 2026-10-02, Service bulletin: POWER TRAIN; ENGINE. Manufacturer's Certificate for Overview of Approved Porsche C20 Engine Oils. Note that the bulletin covers all models back to model year 1984, for which C20 engine oils are allocated.
- [No. 26\-26](/bulletins/11037812.md), 2026-10-02, Service bulletin: ENGINE; POWER TRAIN. Manufacturer's Certificate for Overview of Approved Porsche C30 Engine Oils. Note that the bulletin includes all models back to model year 1984, for which C30 engine oils are allocated.
- [No. 25\-26](/bulletins/11037808.md), 2026-10-02, Service bulletin: POWER TRAIN; ENGINE. Manufacturer's Certificate for Overview of Approved Porsche A40 Engine Oils. Note that this bulletin covers all vehicles from model year 1997 to 2020, for which A40 engine oils are assigned. Model years 1997\-2001 are not available for selection in the system.
- [GR13D802](/bulletins/11037070.md), 2026-09-04, Service bulletin: ENGINE; POWER TRAIN. Parts Information for Parts Withdrawal \- Coolant Regulator Housing
- [GR13D803](/bulletins/11037068.md), 2026-09-04, Service bulletin: ENGINE. Parts Withdrawal \- Control Valve
- [No. 2304\-2](/bulletins/11037057.md), 2026-09-04, Service bulletin: ENGINE; POWER TRAIN. Information on Advanced Technical Information for E3.I/G2 V8 – Oil/Air Separator Membrane Failure
- [No. 50\-26\-2](/bulletins/11036997.md), 2026-09-04, Warranty extension: POWER TRAIN; ENGINE. Update to Warranty Information: Warranty Extension for Additional Coolant Pump
- [13/26](/bulletins/11035916.md), 2026-08-06, Service bulletin: ENGINE. Allocation of Approved Engine Oils MY 2027 \(13/26\)

JSON: [/v1/bulletins/10203079](/v1/bulletins/10203079)

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