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- TRANSMISSION CONTROL INDICATOR LAMP (TCIL) - TCIL ILLUMINATED WITH DIAGNOSTIC TROUBLE CODE (DTC) P0782 STORED IN MEMORY - VEHICLES BUILT BETWEEN 3/15/1997 AND 12/31/1998 AND WITH 4R70W TRANSMISSION
- TRANSMISSION - 4R70W - DELAYED OR NO 2-3 UPSHIFT - VEHICLES BUILT BETWEEN 3/15/1997 AND 12/31/1998
| Publication Date: AUGUST 20, 1999 |
| 1997-1999 CROWN VICTORIA, MUSTANG, ECONOLINE, EXPEDITION, EXPLORER, F-150, F-250 LD |
| 1997-1998 MARK VIII |
1997-1999 TOWN CAR
| 1997-1999 GRAND MARQUIS, MOUNTAINEER |
This TSB article is being republished in its entirety to revise the Service Procedure.
A perceived 2-3 delayed upshift, primarily when the transmission is cold, may be evident on some vehicles. The Powertrain Control Module (PCM) strategy is designed to delay shifts in some vehicles when Transmission Fluid Temperature (TFT) is below approximately 21°C (70°F) for faster heater warmup. The 2-3 shift may be delayed approximately 14-24 km/h (9-15 mph) when compared to the shift speed charts listed in the appropriate Service or Workshop Manual. A leaking 2-3 accumulator may cause Diagnostic Trouble Code (DTC) P0782.
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