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Service bulletin No. 27-26-1

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.

The communication, as NHTSA indexes it (as of 2026-10-19)
TypeService bulletin
NHTSA id11032264
Published by NHTSA2026-05-06
Manufacturer's numberNo. 27-26-1
Manufacturer's date2026-04-04
NHTSA componentELECTRICAL SYSTEM

NHTSA's summary

Technical information for Various Information Messages Regarding Distance Measuring Sensor, Fault Memory Entry “C110300” in the Distance Measuring Sensor (ACC) Control Unit

The document

The document is the manufacturer's. This site does not hold it. NHTSA files a document at one of these two addresses; we have not asked NHTSA which.

Components

Electrical system

Trouble codes named

C1103

Vehicles listed
PORSCHE 9112025, 2026

Listing a model year does not mean every vehicle of it is concerned: the document says which.

Other bulletins for the same vehicles and component
No. 86-262026-10-02. Service bulletin. Technical Information for Vehicle Color in Front Display/Control Panel Wrong after Replacing Central Computer (PCM)
No. 12-262026-10-02. Service bulletin. Technical Information for Damage to Nano Plug Contacts Due to Utilization of Incorrect Measuring Equipment
No. 43-262026-10-02. Warranty extension. Technical Information for Warranty Extension for Front Door Wiring Harness related to Real Top View (RTV) issues
No. 2109-32026-09-04. Service bulletin. Information on Advanced Technical Information for Critical 12V Li-ion Battery Recycling
No. 65-262026-09-04. Service bulletin. Technical Information for Horizontal Stripes in Front Control Panel/Central Display (PCM)
GR13D7972026-08-05. Service bulletin. Parts Withdrawal - Steering Column Switch
GR13D7942026-08-05. Service bulletin. Parts Withdrawal - Various Parts
ASB22026-08-05. Service campaign. Re-Programming Assistance System Control Unit (Stop Delivery/Recall Campaign)
GR13D7902026-07-08. Other. Parts Withdrawal - Various Parts
03/26 91022026-07-07. Service bulletin. Complaint Regarding the Camera View (Real Top View) in the PCM Central Display (03/26)