WenmarOpen by Wenmar Pro

Service bulletin 9986

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 id606406
Published by NHTSA1999-08-19
Manufacturer's number9986
Manufacturer's date1999-05-03
NHTSA componentPOWER TRAIN:AUTOMATIC TRANSMISSION

NHTSA's summary

SOME VEHICLES MAY EXHIBIT AN OVERDRIVE (O/D) LIGHT FLASHING WITH DIAGNOSTIC TROUBLE CODE (DTC) P0741 AND / OR P1740. *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

Trouble codes named

P0741, P1740

Vehicles listed
FORD EXPLORER1998
FORD RANGER1998
MERCURY MOUNTAINEER1998

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

Recalls for the same vehicles and component
99V2040001999-07-28. POWER TRAIN:AUTOMATIC TRANSMISSION

A recall listed here may apply to some of the same vehicles. Only the manufacturer can say whether it applies to one vehicle.

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
032612004-07-26. Service bulletin. NEW SERVICE PART - NUMBER 5 NEEDLE BEARING AND RACE KIT - 4R70W TRANSMISSION - SERVICE TIP. *TT
031482003-10-29. Service bulletin. NEW TRANSMISSION COOLER FLUSHER - SERVICE TIPS. 2003 ESCORT AND SUPER DUTY F SERIES INCLUDED. *TT
011812001-11-30. Service bulletin. BRAKE SHIFT INTERLOCK.*JB
99872001-09-17. Service bulletin. SOME VEHICLES MAY EXHIBIT HARSH DOWNSHIFT FROM 3RD TO 1ST GEAR WHILE STOPPING, HESITATION AFTER ACCELERATION FROM STOP AND / OR LACK OF POWER AFTER ACCELERATION FROM STOP ON VEHICLES WITH 4.0L OR 5.0L ENGINES. *TT
00E112001-05-16. Service bulletin. SERVICE ACTION 00E11, SUPPLEMENT #1 - UPDATE INFORMATION REGARDING ON-BOARD DIAGNOSTIC SYSTEM UPGRADE. *TT
145862001-04-02. Service bulletin. SOME 4.0L VEHICLES WITH A4WD BUILT PRIOR TO 9/13/99 MAY EXHIBIT A VIBRATION / PULSATION AT 0-45 MPH ON DRY PAVEMENT UNDER LIGHT TO MODERATE ACCELERATION IN 4 AUTO MODE WHICH MAY CHARACTERISTIC WITH THE CONTROL TRAC 4X4 SYSTEM. *JB
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
99872001-01-22. Service bulletin. SOME VEHICLES MAY EXHIBIT HARSH DOWNSHIFT FROM 3RD TO 1ST GEAR WHILE STOPPING; HESITATION AFTER ACCELERATION FROM STOP; AND / OR LACK OF POWER AFTER ACCELERATION FROM STOP. *TT