WenmarOpen by Wenmar Pro

Service bulletin 5374

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 id615449
Published by NHTSA2001-01-16
Manufacturer's number5374
Manufacturer's date1998-12-01
NHTSA componentPOWER TRAIN:AUTOMATIC TRANSMISSION:TORQUE CONVERTER

NHTSA's summary

SOME VEHICLES EQUIPPED WITH 4R100 TRANSMISSION MAY EXHIBIT A DIAGNOSTIC TROUBLE CODE (DTC) P1744 (TORQUE CONVERTER CLUTCH SLIPPAGE DETECTED). *TT

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, Torque converter

Trouble codes named

P1744

Vehicles listed
FORD EXPEDITION1999
LINCOLN NAVIGATOR1999

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
0421072005-04-28. Service bulletin. GENERAL (PCM) POWER TRAIN CONTROL MODULE PROGRAMMING PROCEDURES. *TT
042172005-04-15. Service bulletin. GENERAL POWER TRAIN CONTROL MODULE (PCM) PROGRAMMING PROCEDURES. *TT
031482003-10-29. Service bulletin. NEW TRANSMISSION COOLER FLUSHER - SERVICE TIPS. 2003 ESCORT AND SUPER DUTY F SERIES INCLUDED. *TT
157492002-11-07. Service bulletin. SOME VEHICLES EQUIPPED WITH 4 WHEEL DRIVE MAY EXHIBIT A NOTCHY OR STICKING FEELING IN SLOW SPEED TURNS WITH NO EFFECT ON STEERING EFFORTS OR ASSIST WHILE IN THE AUTOMATIC 4X4 POSITION. *TT
160332002-11-06. Service bulletin. SOME VEHICLES WITH ELECTRONIC SHIFT-ON-THE FLY MAY EXHIBIT AN INADVERTENT 4X4 LOW ENGAGEMENT WHILE DRIVING. *TT
011812001-11-30. Service bulletin. BRAKE SHIFT INTERLOCK.*JB
011372001-09-05. Service bulletin. SOME VEHICLES EQUIPPED WITH A 4R70W AUTOMATIC TRANSMISSION MAY EXHIBIT A CLUNK NOISE DURING THE 2-1 DOWNSHIFT EVENT. *TT
149182001-07-19. Service bulletin. THIS BULLETIN STATES THAT ON SOME VEHICLES (INCLUDING 2002 BLACKWOOD) A BATTERY DISCONNECT OR PARAMETER RESET IS REQUIRED DURING POWERTRAIN CONTROL MODULE (PCM) OR INSTRUMENT CLUSTER (VIC / HEC / ICM) REPLACEMENT. *TT
0023102001-03-05. Service bulletin. SUBJECT REGARDING CONTAMINATION FROM PRIOR TRANSMISSION CONCERNS OR EXCESS WEAR MAY BE TRAPPED IN THE TRANSMISSION FLUID COOLING SYSTEM. *TT
122902001-01-18. Service bulletin. SOME VEHICLES EQUIPPED WITH 4R100 TRANSMISSION MAY EXHIBIT A DIAGNOSTIC TROUBLE CODE P1744 (TORQUE CONVERTER CLUTCH SLIPPAGE DETECTED). *TT