# Service bulletin No. 25\-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: 11005606
- Published by NHTSA: 2024\-08\-05
- Manufacturer's number: No. 25\-21
- Manufacturer's date: 2024\-07\-05
- NHTSA component: ELECTRICAL SYSTEM

## NHTSA's summary

Installation and conversion instructions for the navigation update on the PCM3.1

## The document

- [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2024/MC-11005606-0001.pdf)
- [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2024/MC-11005606-9999.pdf)

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

## Components

Electrical system

## Vehicles listed

- 2011 to 2018 PORSCHE CAYENNE
- 2011 PORSCHE CAYENNE \(E2\)
- 2013 to 2015 PORSCHE CAYENNE DIESEL
- 2014 PORSCHE CAYENNE E\-HYBRID
- 2013 to 2014 PORSCHE CAYENNE GTS
- 2016 PORSCHE CAYENNE GTS
- 2011 to 2015 PORSCHE CAYENNE S
- 2018 PORSCHE CAYENNE S
- 2015 to 2018 PORSCHE CAYENNE S E\-HYBRID
- 2011 to 2013 PORSCHE CAYENNE S HYBRID
- 2011 to 2015 PORSCHE CAYENNE TURBO
- 2018 PORSCHE CAYENNE TURBO
- 2014 PORSCHE CAYENNE TURBO S
- 2016 PORSCHE CAYENNE TURBO S
- 2014 PORSCHE redundant CAYENNE S HYBRID

## Recalls for the same vehicles and component

- [13V506000](/recalls/nhtsa/13V506000.md), 2013-10-17: ELECTRICAL SYSTEM: INSTRUMENT CLUSTER/PANEL

## Other bulletins for the same vehicles and component

- [No. 12\-26](/bulletins/11037795.md), 2026-10-02, Service bulletin: ELECTRICAL SYSTEM. Technical Information for Damage to Nano Plug Contacts Due to Utilization of Incorrect Measuring Equipment
- [GR13D790](/bulletins/11034838.md), 2026-07-08, Other: ELECTRICAL SYSTEM; ENGINE. Parts Withdrawal \- Various Parts
- [No. TLLI2602](/bulletins/11033656.md), 2026-06-05, Service bulletin: UNKNOWN OR OTHER; ELECTRICAL SYSTEM. Tech live look information bulletin for How to use Frontline.io on the HoloLens 2
- [No. TLLI2601](/bulletins/11033655.md), 2026-06-05, Service bulletin: ELECTRICAL SYSTEM; UNKNOWN OR OTHER. Tech live look information bulletin for how to use fronline.io on mobile devices and tablets.
- [No. D785](/bulletins/11033625.md), 2026-06-05, Service bulletin: FUEL/PROPULSION SYSTEM; STRUCTURE:BODY; ELECTRICAL SYSTEM. Parts information for parts withdrawal involving 9J1827447B, PAA971221B, and 95B201060AA. The lock, the fuel tank attachments, and the module connector. The vehicles affected are ones that use the part number\(s\) mentioned.
- [No. 2604](/bulletins/11033597.md), 2026-06-05, Service bulletin: ELECTRICAL SYSTEM. Special tools and equipment information for VAS 6296/10 Auto\-Ship and Q1 2026 Software Spec Update Available
- [No. D783](/bulletins/11033534.md), 2026-06-04, Service bulletin: ELECTRICAL SYSTEM. Parts information for parts withdrawal involving servomotor and rear light. Part numbers affected are 976411881E, 976511881E, PAD411881B, PAD511881A, PAD411881C, 973945093BC. The vehicles involved are ones that use the part numbers mentioned.
- [No. 44\-26\-2](/bulletins/11033391.md), 2026-06-04, Service bulletin: ELECTRICAL SYSTEM. Symptom based workshop manual for Information Message “Key \(Remote Control \(Hand\-Held Transmitter\)\) Not Found / Faulty”, Fault Memory Entry Regarding Key “B19B6F0” in Instrument Cluster Control Unit
- [No. 46\-26](/bulletins/11033388.md), 2026-06-04, Service bulletin: ELECTRICAL SYSTEM. Technical information for a software update of various control units: Software Network VR28.13 SQ4
- [No. 22\-26\-1](/bulletins/11033359.md), 2026-06-03, Service bulletin: ELECTRICAL SYSTEM. Technical information for a Replacement Requirement for Wire Harness for Rear\-View Mirror/Front Door or Front Main Wire Harness: Rework Signal Line for Mirror Camera

JSON: [/v1/bulletins/11005606](/v1/bulletins/11005606)

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