# Service bulletin No. 93\-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: 10213133
- Published by NHTSA: 2022\-06\-03
- Manufacturer's number: No. 93\-21
- Manufacturer's date: 2022\-05\-27
- NHTSA component: ELECTRICAL SYSTEM:SOFTWARE; POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE \(TCM/PCM/TECM\); ELECTRICAL SYSTEM

## NHTSA's summary

Technical information on the PCM \- does not work, reset central computer

## The document

- [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2022/MC-10213133-0001.pdf)
- [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2022/MC-10213133-9999.pdf)

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

## Components

Electrical system, Transmission and driveline, Automatic transmission, Software, Transmission control module

## Vehicles listed

- 2019 to 2021 PORSCHE MACAN

## Other bulletins for the same vehicles and component

- [PIWIS2401j](/bulletins/10251154.md), 2024-03-04, Service bulletin: UNKNOWN OR OTHER; ELECTRICAL SYSTEM:SOFTWARE. Information for PIWIS tester update 42.500.020
- [No. 55\-20](/bulletins/10186357.md), 2021-02-01, Service bulletin: ELECTRICAL SYSTEM:SOFTWARE; ENGINE AND ENGINE COOLING. Instructions for reprogramming the DME control unit in the event that the engine is running rough near the idle range.
- [No. 173\-20](/bulletins/10183511.md), 2020-12-02, Service bulletin: POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE \(TCM/PCM/TECM\); EQUIPMENT. Instructions for fixing the navigation in the PCM in the event that it is loading slowly.
- [No. 2020](/bulletins/10180501.md), 2020-10-01, 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. 118\-20](/bulletins/10179095.md), 2020-09-02, Service bulletin: EQUIPMENT ADAPTIVE/MOBILITY; POWER TRAIN:AUTOMATIC TRANSMISSION:GEAR POSITION INDICATION \(PRNDL\). Instructions for how to assist if the selector lever is in Park position but not detected, and the key cannot be removed.
- [No. 85\-20](/bulletins/10177959.md), 2020-08-05, Service bulletin: ELECTRICAL SYSTEM:SOFTWARE. Instructions for reprogramming the instrument cluster in the event of the park assist buzzer sporadically cutting out.
- [PIWIS2001v](/bulletins/10176881.md), 2020-07-02, Service bulletin: ELECTRICAL SYSTEM:SOFTWARE; EQUIPMENT. Information on new PIWIS tester update 39.500.020 and .025.
- [No. 41\-20](/bulletins/10176852.md), 2020-07-01, Service bulletin: EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL; ELECTRICAL SYSTEM:SOFTWARE. Instructions on how to perform a PVTS Software update in the event that a car will not start.
- [No. 2005](/bulletins/10175919.md), 2020-06-02, Service bulletin: ELECTRICAL SYSTEM:SOFTWARE. Information on new VCI cables available for purchase by dealers.
- [122\-E5C9R\-01](/bulletins/10169748.md), 2020-01-03, Service bulletin: EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL; ELECTRICAL SYSTEM:SOFTWARE; SERVICE BRAKES. Instructions for clearing a fault code for a temporary brake warning caused by vacuum actuation as a result of Porsche Stability Management.

JSON: [/v1/bulletins/10213133](/v1/bulletins/10213133)

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