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Service bulletin CSP-12B34-SUP1

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 id10044901
Published by NHTSA2012-08-03
Manufacturer's numberCSP-12B34-SUP1
Manufacturer's date2012-06-15
NHTSA componentPOWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE (TCM/PCM/TECM); ENGINE AND ENGINE COOLING:ENGINE:DIESEL

NHTSA's summary

FORD: SEE DOCUMENT SEARCH BUTTON FOR OWNER LETTER. THE CHECK ENGINE LIGHT WILL ILLUMINATE DUE TO TURBOCHARGER TURBINE BLADE FAILURE WHEN NITROGEN OXIDE (NOX)SENSOR BECOMES INOPERATIVE AND TURBOCHARGER TURBINE BLADES EXPERIENCE STRESS. MODEL F SUPER DUTY CHASSIS CAB. MODEL YEARS 2011-2012. *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

Engine, Transmission and driveline, Automatic transmission, Transmission control module

Vehicles listed
FORD F SUPER DUTY
FORD SUPER DUTY F SERIES

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