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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
If the condition occurred after replacing the Transaxle or TSS, use the TSS Selection Chart and determine the correct sensor for the vehicle.
TURBINE SHAFT SPEED (TSS) SENSOR SELECTION CHART
Part Number Stamped On TSS
Part Description
Vehicle Application
Resistance
Bolt
Kit Part Number
Original Equipment
F7RP-7M101-AAPart Vendor is Delphi
All black with steel bracket
OEM TSS used for all CD4E vehicle applications 1994 to May, 2000140-290 ohmsN605770-S36
M6x1x12 mm
No Kit Number
XS7P-7M101-AAPart Vendor is HiStat
Thick white plastic bracket with black connector
OEM TSS used for all CD4E vehicle applications since May, 2000625-1150 ohmsW500213-S309
M6x1x16 mm
No Kit Number
Service Replacement
XS7P-7M101-ABPart Vendor is HiStat
Thick white plastic bracket with black connector Used on Production CD4E beginning November, 2001
Service Replacement for All Contour/Mystique All Escape and Cougar 1995 & newer650-1150 ohmsW500213-S309
M6x1x16
1S7Z-7M101-KA
F7RP-7M101-ABPart Vendor is HiStat
Thick white plastic bracket with green connector
Service Replacement for 1994-1997 Probe550-950 ohmsW500213-S309
M6x1x16 mm
F7RZ-7M101-KA
1. Remove the existing TSS from the CD4E pump body.

2. Reinstall the original TSS sensor, if available, or install the correct TSS as indicated in the Selection Chart.

3. Clear all codes and verify repair.

4. If the condition still exists, follow normal diagnostics as listed in the appropriate model year Workshop Manual.

OTHER APPLICABLE ARTICLES: NONE
WARRANTY STATUS: INFORMATION ONLY
OASIS CODES: 501000, 502000, 503000, 504000
 

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Discussion Starter · #2 ·
Bulletin No: 05-003/02

Last Issued: 04/02/2002

Subject:
HARSH/DELAYED UPSHIFTS AFTER TSS SENSOR REPLACEMENT

APPLICABLE MODEL(S)/VINS
2001-2002 Tributes equipped with 3.0L V6 engine

DESCRIPTION
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 Transaxle or Turbine Shaft Speed (TSS) Sensor have been replaced. The DTCs may include 628, 642, 645, 646, 647, 648, P0731, P0732, P0734, P0741, and P1744.

This may be caused by installing an incorrect TSS sensor. These vehicles should use a HiStat TSS sensor color-coded black (see Parts Information)

If the condition occurs after servicing the Transaxle or TSS sensor, refer to the Parts Information and ensure the correct TSS is used. Note that the TSS has the Ford engineering part number on it. Also note that the TSS kit includes an instruction sheet, TSS sensor, and correct length (16 mm) bolt.

Customers having this concern should have their vehicle repaired using the following procedure.

REPAIR PROCEDURE
1. Verify concern.

2. Remove the existing TSS sensor from the CD4E pump body according to Workshop Manual (section 05-13 TURBINE SHAFT SPEED (TSS) SENSOR).

3. Reinstall the original TSS sensor if available or install the correct TSS sensor as indicated in the Parts Information.

4. Clear all codes and verify repair.

5. If the condition still exists, follow normal diagnostics as listed in the appropriate model year Workshop Manual.

PART(S) INFORMATION
FW60-21-550 - Pulse Generator / Turbine Shaft Speed (TSS) Sensor - Qty. 1 - Vendor is HiStat. Sensor is thick white plastic with a black connector. (Ford service P/N XS7Z-7M101-KA) (Stamped P/N XS7P-7M01-AA)

WARRANTY INFORMATION
Note:
This information applies to verified customer complaints on vehicles covered under normal warranty. Refer to the SRT microfiche for warranty term information.
 
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