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Service bulletin TPI-2033480-1

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 id10053504
Published by NHTSA2013-11-04
Manufacturer's numberTPI-2033480-1
Manufacturer's date2013-08-28
NHTSA componentPOWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE (TCM/PCM/TECM)

NHTSA's summary

BENTLEY: TRANSMISSION CONTROL MODULE (TCM) LOOSING COMMUNICATION, HAS A SOFTWARE ANOMALY, WITH GEAR SELECTOR ELECTRONICS AT TIME OF IGNITION SWITCH IS ON, CAUSING A NON SELECTION OF GEAR FROM PARK AND COMMUNICATION WITH THIS MODULE. MODEL 2012-2013 MULSANNE. *PE

The document

No address for NHTSA's copy can be built for this communication. Ask the dealer for it by the manufacturer's number.

Components

Transmission and driveline, Automatic transmission, Transmission control module

Vehicles listed
BENTLEY MULSANNE2012

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
SB-2035309-2-A2016-04-26. Service bulletin. SUMMARY TO BE PROVIDED ON A FUTURE DATE.
E7632012-04-26. Service bulletin. BENTLEY: GEAR SELECTOR - WARNING AND FAULT CODE - GEAR KNOB SWITCH RESISTANCE HIGH. MODEL YEAR 2011 MODEL TYPE 3Y2 AND MODEL BRAND E. *KB