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Service bulletin 08-043-16

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 id10138952
Published by NHTSA2018-06-04
Manufacturer's number08-043-16
Manufacturer's date2016-04-15
NHTSA componentELECTRICAL SYSTEM; EQUIPMENT

NHTSA's summary

Flash: Wireless Control Module (WCM) Diagnostic And System Enhancements This bulletin involves updating the Wireless Control Module (WCM) with new software. A small number of customers may experience a no crank, no start or Malfunction Indicator Lamp (MIL) illumination. Upon further investigation a technician may find one or more of the following Diagnostic Trouble Codes (DTCs): B1A25 - INVALID KEY. B1A29 - SKIM Basestation Mismatch.

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, Equipment and accessories

Trouble codes named

B1A25, B1A29

Vehicles listed
JEEP COMPASS2014, 2015, 2016
JEEP PATRIOT2014, 2015, 2016

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

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