Question about 2004 Ford F150
OBD PORT NOT WORKING
Posted by Anonymous on
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Posted on Jan 02, 2017
check the U-joints by grabbing the drive shaft and try to make it move from side to side or top to bottom.It is much easier to do this if the vehicle is in the air and no weight on the axle.If it does move replace that U-joint,but if you are going to replace one then I would do both since you will have the drive shaft out any way.Also check to see if the shaft weight is still there,but I doubt it has came off its pretty rare.
Posted on Jan 01, 2010
check the out put from the computer to the obd ll port if good need to check the wiring harness ,connections and pin contacts from computer to obd ll port connections possible short,frayed or broken wire
Posted on Feb 14, 2010
Did you have the recall done on it ?
recall 05S28. Description: Speed Control Deactivation Switch.
It could be a blow fuse in the recall harness, if you did have it done.
Try the self test, and see what the results are. If you do not get it into self test mode, it could be the fuse in teh recall harness that is blown. The 1st revision of the recall harness was an inline ATM fuse, not sure if the revision 2 was the same. If that fuse is blown, the switch is leaking, and should be checked.
This test is a key on engine off (KOEO) test only that is conducted in park only with emergency brake fully engaged.
1. Enter self-test diagnostics by depressing the speed control OFF switch while turning the ignition key ON, making sure the engine does not start and is not running. The speed control indicator on the instrument panel will flash once to indicate that speed control module entered the diagnostic mode. Five additional flashes at this point indicate a defective speed control servo. Release the OFF switch.
2. Press the remaining switches in this sequence: ON, RESUME, COAST and SET/ACCEL.
If the ON switch is not depressed within five seconds after entering the diagnostics mode, the module times out and the procedure must be started over.
The speed control indicator lamp will flash as each switch is depressed. Press each switch in the sequence immediately after the indicator light goes out for the previous switch.
There will be a slight delay when the last button is pressed and the lamp flashes.
3. A lamp flash with the last button (SET/ACCEL) indicates that the static test passed. If the lamp does not flash with the last button and there are no additional flashes of the lamp, the switch is defective.
If the lamp does not flash with the last button, and additional flashes occur, follow the chart below for trouble codes:
— 2 flashes - BPP defective, circuit is defective, brake applied, CPP switch or jumper (if equipped).
Posted on Feb 23, 2010
The fuse junction block is located below the dash and
behind the right kick panel. There are three fuses
related to the headlights.
(1) fuse # f2.25 left headlight 10amp
(2) fuse # f2.23 right headlight 10amp
(3)fuse # f2.40 day running lamp/bcm/main light sw.
and multifuntion switch. 20amp.
Hope this helps.
Posted on Mar 19, 2010
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