ABS and brake light on! Changed ABS sensor now..

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09-07-2017, 02:10 PM

#16

Marine

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Quote:

Originally Posted by rotohead

Should also add that anytime you completely disconnect the batteries for any reason you must re-calibrate the apps (gas pedal) to the ECU. Simple process of turning key on w/o starting, slowly press the gas pedal to the floor and slowly letting it return to zero, turn off key. Do that a total of three times and your good to go.

Good reminder. I have the Timbo; don't know if that makes a difference or not. Thanks,

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09-08-2017, 10:23 PM

#17

nothingbutdarts

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My trucks sits for a year at a time with batteries disconnected, just started it after a year and half, cleaned it off and drive it for 45 minutes with no problems. Why do I need to do the throttle procedure????

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09-11-2017, 09:48 AM

#18

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Originally Posted by nothingbutdarts

I'm not completely sure but I think it has to do with the voltage setting from the TPS to the ECU.

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nothingbutdarts (09-11-2017)

09-12-2017, 12:15 PM

#19

rotohead

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The throttle procedure is from the FSM and calibrates the apps to the ecu.

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nothingbutdarts (09-12-2017)

09-18-2017, 05:36 PM

#20

rotohead

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So my problem kept coming back. Replaced the differential switch/combination valve and after a 1500 mile road trip towing my trailer I'm confident that was my problem. Found the new combination valve on ebay from a Dodge dealer in AZ for $135. Easy to replace, bleed the brake system the right way and good to go. Always like to finish the story/thread with a successful fix.

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