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Service bulletin 12603

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 id605325
Published by NHTSA1999-06-08
Manufacturer's number12603
Manufacturer's date1999-03-01
NHTSA componentPOWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE (TCM/PCM/TECM)

NHTSA's summary

VEHICLE MAY EXHIBIT A DIAHNOSTIC TROUBLE CODE P0135 OR P0155 CAUSED BY THE POWERTRAIN CONTROL MODULE (PCM) CALIBRATION. *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, Transmission control module

Trouble codes named

P0135, P0155

Vehicles listed
FORD TAURUS1998
MERCURY SABLE1998

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
031232003-09-10. Service bulletin. TORQUE CONVERTER CLUTCH NOT ENGAGING WHEN COMMANDED AND/OR DIAGNOSTIC TROUBLE CODES P0741 OR P1744 STORED IN MEMORY. MODELS FROM 1996 TO 2003. *TT
011812001-11-30. Service bulletin. BRAKE SHIFT INTERLOCK.*JB
00E112001-05-16. Service bulletin. SERVICE ACTION 00E11, SUPPLEMENT #1 - UPDATE INFORMATION REGARDING ON-BOARD DIAGNOSTIC SYSTEM UPGRADE. *TT
991522001-01-05. Service bulletin. INFORMATION ON THE NEW FLUSH AND FILL TOOL AVAILABLE THROUGH ROTUNDA. *TT
127042000-11-09. Service bulletin. SUBJECT REGARDING ALL VEHICLES REQUIRES A PARAMETER RESET TO BE PERFORMED ON THE PASSIVE ANTI-THEFT SYSTEM MODULE (PATS / VIC / HEC) WHEN THE POWERTRAIN CONTROL MODULE (PCM) IS REPLACED. *TT
00152000-06-06. Service bulletin. INFORMATION REGARDING THE NEW TRANSMISSION COOLER FLUSHER- SERVICE TIP. *MJS
9831121999-09-22. Service bulletin. SOME VEHICLES MAY EXHIBIT AN INTERMITTENT NEUTRAL CONDITION AFTER DRIVING AND COMING TO A STOP. *TT