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post #1 of 10 Old 01-15-2014, 07:14 AM Thread Starter
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Angry Help please

Good morning gentlepeople. I recently purchased a used 2010 f250 with 130k on it. I have since replaced the cold side pipe installed 5" downpipe back and am using the gearboxz programmer for the delete and econ tune. Truck has been running perfect for about 1000 miles +. This past Saturday I received a random check engine light. The programmer from gearboxz has a dtc reader, went home plugged her in and it was not communicating. Went to start truck back up no crank no start. Cycle the keys a few time and it started. While running multiple warning lights were cycling on and off. Gauges were not functioning properly ie turning on and off, gear selector light cycling on and off, wrench- traction control- oil- low fuel- coolant temp all on and off. Drove truck, feels like no boost, and cooling fan was running full tilt. Batteries were tested and both good, alternator was replaced, vehicle has aftermarket key in box remote start, and amplifier for door speakers. Amplifier was disconnected unable to locate any " obvious grounds or shorts or frayed wires" I have spoke to some local ford guys and with the DLC not communicating their scan tool will not help. Any ideas? I have read about TX module causing similar symptoms but don't know how to test it. Any help or ideas would be appreciated!
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post #2 of 10 Old 01-15-2014, 07:15 AM Thread Starter
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Sorry TBC module
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post #3 of 10 Old 01-15-2014, 08:46 AM
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there is a harness above your drivers side inner wheel liner.. it likes to get corroded on some rigs, and causes weird issues like this..

it's been said that simply wiggling that thing and seeing if things change is a good indicator if it is a problem.. so... try it?

If it does have an affect, it is a worn/chaffed/shorted wire or wires... which it likely is anyway, but maybe not there... that is just the location that seems to happen most often to folks.
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post #4 of 10 Old 01-15-2014, 08:49 AM Thread Starter
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Ok I'll take a look and try it out thanks!

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post #5 of 10 Old 01-16-2014, 07:16 AM Thread Starter
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Checked connections in that area. No signs of rubbing and cleaned connectors same problem. Occasionally getting check brake system and trailer brake module fault. Any suggestions appreciated.

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post #6 of 10 Old 01-16-2014, 10:55 AM Thread Starter
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Took to dealer to maintain my sanity. Fingers crossed it is something cheap

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post #7 of 10 Old 01-24-2014, 08:35 PM
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did the dealer find out what was wrong with your truck?

2009 F 250 Lariat 6.4 PSD
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post #8 of 10 Old 01-24-2014, 09:03 PM Thread Starter
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TCM had a short in it which was causing the can bus system to have intermittent shorts. Basically a bunch of gibberish until the tech explained it to me. All is well now and only out 750

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post #9 of 10 Old 01-25-2014, 07:40 AM
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Quote:
Originally Posted by jcook933@gmail.com View Post
TCM had a short in it which was causing the can bus system to have intermittent shorts. Basically a bunch of gibberish until the tech explained it to me. All is well now and only out 750

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I am glad to hear that. Electrical issues are always a pain.

2009 F 250 Lariat 6.4 PSD
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post #10 of 10 Old 01-25-2014, 07:50 AM Thread Starter
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Yes they are!!!

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