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Home >> Ford >> 2000 >> Contour SE, 2.5 L, Standard >> Repair and Diagnosis >> External Pages >> Different car >> Section 665 (Automatic Transmission - 4R100 - Excursion & F250-F550 Super Duty) >> Diagnosis & Testing >> Diagnostics >> After On-Board Diagnostics

After On-Board Diagnostics

WARNING: This page is about a different car, the 2004 Ford Pickup, 2004 Ford F550 Super Duty, 2004 Ford F450 Super Duty, 2004 Ford Excursion, and 2004 Ford Cab & Chassis. However, it is still accessible from the selected car via links, so may be relevant.
NOTE: The vehicle wiring harness, powertrain control module and non-transmission sensors can affect transmission operations. Repair these concerns first.

After the On-Board Diagnostics procedures are completed, repair all DTCs.

Always repair all non-transmission-related DTCs first, then repair any transmission-related DTCs. Refer to the following Diagnostic Trouble Code Charts  for information on condition and symptoms. This chart will be helpful in referring to the correct manual(s) and to aid in diagnosing internal transmission concerns and external non-transmission inputs. The pinpoint tests are used in diagnosing electrical concerns of the transmission. Make sure the vehicle wiring harness and the powertrain control module are diagnosed as well. The INTRODUCTION article in ENGINE PERFORMANCE category will aid in diagnosing non-transmission-related electronic components.

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