F 250 4WD Pickup V8-7.3L DSL Turbo VIN K (1994)
Powertrain Control Module: All Technical Service Bulletins
A/T - E4OD Downshifts Too Often/No 4th Gear
Article No.
94-24-17
11/28/94
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TRANSMISSION - E40D - DOWNSHIFTS TOO OFTEN FROM 4TH TO 3RD - VEHICLES WITH 5.0L ENGINES UNDER 8500 LBS. GVW
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TRANSMISSION - E40D - WILL NOT UPSHIFT INTO 4TH GEAR WHEN GOING UP A SLIGHT INCLINE - VEHICLES WITH 5.0L
ENGINES UNDER 8500 LBS. GVW
LIGHT TRUCK:
1994 BRONCO, F-150, F-250
This TSB is being republished in its entirety to clarify the vehicles covered.
CALIBRATION:
454LR00, 454LR10, 454PR00, 454PR10, 454MR00, 454MR10, 454QR00, 454QR10
WARNING:
THIS MODIFICATION IS AUTHORIZED ONLY FOR THE LISTED ENGINE. PERFORMING THIS MODIFICATION ON OTHER ENGINE
CALIBRATIONS IS UNAUTHORIZED AND COULD CREATE LIABILITY UNDER APPLICABLE FEDERAL OR LOCAL LAWS.
ISSUE:
Some vehicles with 5.0L engines and E40D transmissions may exhibit some or all of the following concerns:
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Downshifts too often from 4th to 3rd gear.
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Will not upshift into 4th gear when going up a slight incline.
ACTION:
Perform the normal diagnostics, as outlined in Section 07-01A of the Service Manual, for this symptom. If no Diagnostic Test Codes are found, replace
the Powertrain Control Module. Refer to Figure 1 for the correct application.
