Probe V6-153 2.5L DOHC (1994)
Transmission Speed Sensor: All Technical Service Bulletins
A/T - CD4E Harsh and Delayed Upshifts/DTC's Stored
Article No.
02-2-4
02/04/02
TRANSAXLE - CD4E - HARSH AND DELAYED 1-2/2-3
UPSHIFTS - AFTER TRANSAXLE OR TURBINE SHAFT
SPEED SENSOR (TSS) REPLACEMENT - POSSIBLE
DIAGNOSTIC TROUBLE CODES (DTC) 628, 642, 645,
646, 647, 648, P0731, P0732, P0734, P0741, AND
P1744
FORD:
1994-1997 PROBE
1995-2000 CONTOUR
2001-2002 ESCAPE
MERCURY:
1995-2000 MYSTIQUE
1999-2002 COUGAR
ISSUE
Some vehicles equipped with the CD4E transaxle may exhibit harsh and delayed 1-2/2-3 upshifts along with DTCs for gear ratio errors after the
Transaxle or Turbine Shaft Speed sensor (TSS) have been replaced. DTCs may include OBD1 codes 628, 642, 645, 646, 647, 648, or OBD II codes
P0731, P0732, P0734, P0741, and P1744
ACTION
If the condition occurred after servicing the Transaxle or TSS, refer to the following TSS Selection Chart and select the correct TSS for the vehicle
application. Note that each TSS has the Ford engineering part number on it. Also note that there is a TSS kit that includes an instruction sheet, TSS
sensor and correct bolt.
SERVICE PROCEDURE