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Service bulletin EL00400

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 id612536
Published by NHTSA2000-06-08
Manufacturer's numberEL00400
Manufacturer's date2000-04-14
NHTSA componentPOWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE (TCM/PCM/TECM)

NHTSA's summary

SUBJECT ON DELAYED UPSHIFT TO OVERDRIVE WITH CRUISE CONTROL ENGAGED. *MJS

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
TOYOTA TACOMA1998, 1999

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
T-SB-0134-142017-08-01. Service bulletin. TSB: The purpose of this bulletin is to provide precautions to follow when installing an automatic transmission/transaxle assembly to avoid MIL "ON" shifting issues and/or transmission damage. Use the information in this bulletin when installing an automatic transmission/transaxle assembly.
T-SB-0014-11 Rev2017-08-01. Service bulletin. TSB: The purpose of this service bulletin is to provide information regarding the installation of the correct torque converter bolts during automatic transmission/transaxle assembly replacement. Incorrect torque converter bolts or missing washers can cause damage to the torque converter assembly.
TC001981998-05-11. Service bulletin. SOME AUTOMATIC TRANSMISSIONS MAY PRODUCE A CHATTER NOISE WHEN SHIFTED OUT OT REVERSE INTO EITHER NEUTRAL OR PARK. *YC