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Service bulletin SB-21430

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 id10034629
Published by NHTSA2010-12-13
Manufacturer's numberSB-21430
Manufacturer's date2010-07-01
NHTSA componentPOWER TRAIN:AUTOMATIC TRANSMISSION; POWER TRAIN:MANUAL TRANSMISSION

NHTSA's summary

FORD/LINCOLN: TRANSMISSION BUILT BEFORE 6/1/10 WITH 4TH GEAR START, DELAY/HESITATION ON ACCELERATION FROM A STOP-NO DTCS. THIS MAY BE CAUSED BY A STICKING MULTIPLEX SHIFT VALVE IN THE VALVE BODY. *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, Manual transmission

Vehicles listed
FORD EDGE2010
FORD FLEX2010
FORD TAURUS2010
LINCOLN MKS2010
LINCOLN MKT2010
LINCOLN MKX2010

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
SSM 469002018-01-29. Service bulletin. Some vehicles may exhibit a no start condition with an illuminated malfunction indicator lamp (MIL) and a DTC P161A after PCM replacement. This may be due to the parameter reset procedure not being properly completed. To clear this DTC, use the Ford Integrated Diagnostic System (IDS) service tool or Ford J2534 Diagnostic Software, select - Toolbox - Body - Security - PATS Functions - Parameter Reset. Follow the on-screen instructions to complete the procedure. This procedure will transfer the existing Key ID information between the modules without the need of having 2 programmed PATS keys present. There is no need to program keys when the PCM is going to be replaced. Additional information can be found in the Workshop Manual (WSM), Section 419-01. Missing or lost keys are not warrantable.
ASI-451322015-09-23. Service bulletin. LINCOLN/FORD: AN OVERHAUL TRANSMISSION MOTORCRAFT KIT, AVAILABLE FOR SOME VEHICLES, CONTAINS AN INCORRECT VALVE BODE SEPARATOR PLATE AND WOULD NEED TO DISCARD 7Z490 PART AND USE BT4Z-7Z490 TO PREVENT HARSH DOWNSHIFTS. MODEL 2010-12 EDGE, MKX, FLEX, MKS, MKT, TAURUS. *PE
TSB-13-5-272013-10-18. Service bulletin. FORD/LINCOLN: ON SOME VEHICLES, TRANSMISSION 5TH GEAR START AT STOP, SPEED CONTROL DROPS OR INOPERATIVE, BACKUP CAMERA ON IN DRIVE, 5TH GEAR START FROM STOP AND TRANSMISSION SLIPPING OR NEUTRAL OUT, DUE TO DIGITAL TRANSMISSION RANGE (TR) SENSOR HIGH RESISTANCE. MODELS 2009-11 EDGE, TAURUS, FLEX; 2009-11 MKS, MKX, MKT. *PE
TSB-11-5-62011-07-09. Service bulletin. FORD: THERE MAY BE A SLUGGISH ACCELERATION OR HESITATION FEELING WHEN ROLLING TO A STOP. THIS WILL BE FOLLOWED BY A HARSH BUMP. *RM
AS-216872011-07-07. Service bulletin. FORD: THERE MAY BE A LOSS OF POWER, HESITATION, SURGE, OR LACK OF THROTTLE RESPONSE WHILE DRIVING. THE BRAKE OVER ACCELERATOR FEATURE MAY BE ACTIVATING. *RM