Ford 6.7L Power Stroke Diesel :: Communication Failure With All Modules
Feb 16, 2013
Having issues with the instrument cluster and lost communication trouble codes. My truck has been having issues and it loses comm with all the modules. All the warming lights the truck has come up on the LED screen in the dash and if I turn it off it will not start. Most recently my traction control light stays on and my tranny is locked into 5th gear. I have park, reverse & 5th gear. Most recent DTC's are lost come with TCM & ABS control module. It seems to be getting more consistent but was very intermittent. Spent a week at ford with no progress. Truck wont start for a full day and then will start the next morning? When its bugging out it wont even prime the fuel system of turn over. Cab was off last fall to install SPE diesel STG 2 short block, Industrial compound turbo kit & water/meth kit. truck has been amazing and insane power until recent electrical/computer issues. When truck is bugging out tuner will not communicate with the truck and cannot read codes or remove programmer.
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So my 6.7 left me hanging the other day, went to start nothing. Towed it into town started. Went to start it couple days later nothing. Jump the plug by right battery starter turns. When key is turned to run no glow plug light, no fuel pump prime. Tested ignition switch good. Tried 2 new Batteries nothing. got power on fuse 52, continuity from fuse 52 to pcm connector. Fuse 49 and 50 also have power. Took all 3 connectors at pcm out and blowed air through and sprayed W.D nothing. Even tried with connector on transmission. Scan tool will not communicate with pcm.
Codes after cleared:
instrument cluster:
uo100 lost communication to pcm
u300a-64 ignition switch...
transmission:
u0294 lost communication with pcm
Body control module:
u0100-87 lost communication with pcm
B10f1-14 key in switch short to ground or open
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I own a 2011 f350 diesel. So 2 weekends ago when it iced over in DFW I ended up doing a bunch of driving in 4wd. I pulled out a couple people, even pull out a semi.
After this the truck went on the fritz and gave me a CEL regarding the tcm losing communication with the rest of the electrical system. The truck was stuck in 6th gear and all things related to the tcm gear indicator didn't work. (remote start, backup camera, traction control, stability control and trans temp gauge). I did have drivability issues with the trans when it would sometimes bang gears when i would get on it suddenly and it could get generally confused at times, so generally I drove it pretty gently. The truck had to be towed to the dealer because after a while it would only get neutral of 1st gear and obviously it shouldnt be driven like that. They replaced the tcm under warranty.
The kicker is that all of that trans bs is now gone, there's no more confusion and gear banging.. drivability improved 10 fold. Obviously they updated the software but i was wondering if that was all that was needed to get this trans in gear? (pun intended) maybe they did something else?
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Couple of weeks ago, the display in the instrument panel displayed a large orange wrench. No accompanying text or chimes, just the damn wrench. Checked for codes, nothing out of the ordinary (I occasionally get communication codes, but they usually show up when I do not wait to start). Long story short, the damn thing showed up one more time the same day, then never again.
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My truck had to be towed to the shop today. The wife and I were stranded for 2 hours and to say I was upset is a understatement. My truck has 13,800 miles and this type of failure is unacceptable. Is it necessary to carry extra sensors around in order to get your truck off the side of the road? BTW, my truck didn't even make it to the side of the road, we had to push it to a narrow shoulder on a busy side road.
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Had CEL light and took truck to dealer and they replaced Bank 1 sensor 4, two days later, CEL again Bank 1 sensor 3.
I've trouble shot many EGT sensors on Airplanes, and we could tell if there was a failure coming if a couple failed by testing the sensors themselves. My Service Manager told me there is no way they can check the others out. That sounds like Bull to me.
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So I have a 2006 Ford F-250 6.0 that broke down about 2 months ago due to an EGR failure. Took it to the dealership got it fixed along with a new injector everything has been running fine only thing I notice is a big split in EOT and fW(218 EOT and 192 fWT). Well yesterday on the way home my wrench light comes on I tried to scan it with the scan gauge but it said no codes found and when I got home and turned the truck off and back on the light went off. What could cause this?
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I'm at 76K miles and I had another exhaust sensor go bad. This time the check engine light came on and the truck did not shut down. I was prepared this time and had an extra sensor / code reader handy.
It was the last sensor in line and very easy to get to. It took me less than five minutes to complete the job. I did use anti seize, but as easy as it came out it probably wasn't necessary.
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I only get random TPS failure messages when I am hauling my cab over camper and towing a horse trailer. Other than Murphy's law which dictates that these type of events only happen at the worst times (fully loaded w/ kids, dogs, horses, steep grades, no shoulder, 110+ temps, etc) I figure that the big metal box is disrupting the TPS signal reception. Not sure where the antenna is for the TPS system. I stop and check pressure/temperature just in case but all is well. My Lance has a sheet metal skin and blocks satellite completely and terrestrial radio somewhat, which I don't use anyway.
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Early 04 but 06 motor, Coolant filter, BPD EGR cooler, Head studs. I did use the search tool, overloaded with EGR cooler leaks and head gasket failure in the results.
Noticed ECT Spiking 217 (EOT 187)as went to post office,10 min run time from a cold start. Checked Degas a bit low, did my business and went home. Got home ECT 223 EOT(221) zero coolant in Degas and notice this mess. as well as puddling up under radiator.
I left the truck running and added some water to the degas hoping I could spot the leak, no love.
On our trucks do we have a weep hole for the water pump? I didn't notice any water or stains around it or the pulley. Nothing around the hoses either... yet.
Once it cools I am going to pull the fan shroud and look for a possible hole in radiator. Are there any other suspect areas?
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So I am happily driving my 2011 F250 Powerstroke and the water in fuel light comes on. I drain the filter and drive about 10 miles and it happens again. Drain again and 5 miles later the engine dies. Had it towed to my dealer who found an exploded high pressure diesel injection pump. They talked to Ford and found out that they needed to install an all new fuel system from the injectors to the tank! The bill was 18,000 and no warrantee. Bad stuff gets right by the filters!!! I have two of those trucks and since the dealer used exactly the same parts as the broken ones, it can happen today again.
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I was pulling our 14k fiver home after a weekend at the lake and I heard a muffled pop sound. About a minute prior I had checked the gauges and everything was normal. It honestly sounded like a chinabomb tire on the ttrailer had popped. Puled over and all tires were good so I popped the hood .....
Here's the bottom half. Is this possibly a warranty item? 2011 with 61k. And no mods. Plus a lot of oil on everything is that normal?
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Started truck, used windshield washer and noticed High Beam Indicator was lit on dash. Headlight switch not on. Drove to Ford dealer, turned off truck, high beams would not shut off. Dealer replaced the Turn Signal/wiper/High beam switch assembly. Dealer had one in stock. Service manager said they have replaced a few of these Switches. So if your High Beams come on without the headlight switch on you cannot turn them off even if you shut off and exit truck. Also the "You left your lights on warning chime" does not sound when you exit truck.
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My friend has a 2006 6.0. Blew up the egr cooler and oil cooler and now the oil is full of coolant. Brown muddy messy muck. Oil cooler is out but I'm sure the coolant oil mixture has circulated so it's probably in the HPOP and the rails to the injectors and probably in the injectors too. Everything after the oil cooler is probably contaminated.
So, aside from draining the oil from the pan and sucking up the oil mix from the top of the block, (under the cooler. ..it's out but not the hpop) how do we get this flushed out without destroying anything else?
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My hpfp just blew up 2 weeks ago. I'm still waiting to hear if my ford extended warentee will pay for it. What was weird for me was I had a p0087 code thrown about an hour before the p21b0 code. I had a 5sec warning of reduce power, then pull over now message, then it died before I could get over. All service down by ford, 48k miles on my 2011. I'm not happy that the truck left me on the side of the road with the 5th wheel in tow. Having a second failure? Not sure if I want to keep the truck now or not. Sounds like even the newer trucks are failing as well. I would have thought they would have this fixed by now.
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I have a 2000 f350, 7.3l, it will not run, my scanner says no communication, I have replaced the PCM, IDM, GEM, injectors and glow plugs, got power to the OBD II @ pin 16, I have power at the 71 pin on PCM I have ground at pin 77 on PCM and power at pin 55 on PCM, it will crank but no fire, no communication.
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So i just finished putting in new high pressure oil rail cup seals in and a new #2 injector. Truck was running great for about 5 miles and then just shut off. When I had it towed home I plugged in the super chips tuner "no tunes installed" and I have a p0460, p0463, p2290, p2291. I also have a #7 glow plug circuit failure Ive been a little neglectful in getting done.
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2005 6.0 SuperDuty ... I was driving my truck on the freeway, no issues. Started hearing a very faint ticking sound, then the engine died. Pulled off to the side. tried to start it, and it turned over very rapidly, with no compression. I'm thinking "Timing Gear".
Had it towed to a Ford dealership near the incident. I told them what i thought it may be, and the mechanic thought it "May be possible". not very confidently....
I authorized them to remove the engine, and look. Sure enough, the gears were toast. This is the difficult part.
The service manager is a young kid, (I can tell from talking to him a hundred times on the phone), and is telling me "My Cam(s) are ruined, and the valves are bent, because the metal from the gears went through the motor. I told him to stop. put the truck outside, and wait. So, I have a couple of questions. other than i don't have Cam(s).
1. Is the 6.0 a clearance type motor? (will the valves impact the pistons, if the timing gears fail).
2. Will the metal from the timing gears get into the motor, or fall into the oil pan?
There were no loud noises, when the engine died. I had the engine bullet proofed at 101,000 miles, it now has 250,000. The truck is still solid, so worth fixing?
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Truck wont start idm communication error all the fuses are good and the relay seams good I switched it out with another relay 340,000 miles how do I know if its the IDM r not... I'm sure the idm is not cheap...
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My baby won't run throwing PO1668 IDM PCM Communication Problem. It threw the CPS code first I changed the CPS and it now has the other codes. I'm stuck how do I test the idm all the fuses are good and the relay is good I believe I switched with another one... 341,000 miles I love this truck .....
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Took the emission test at two different facilities last week, both test failed with an error saying "OBD Communication Failure".
This is a 7 years old car, with 63K km, nothing has been changed on this car, it still has the original wiper blades .
I went to a VW dealership today (Toronto) and this is what they did:
- Performed ODIS diagnostics, results were ok, no DTC,s in the system
- Performed a drive clean, aborted due to communication error
- Performed technical diagnostics cap discharge system, ok.
- Tested ECM ok
- Performed basic wiring test, ok.
- Next step was to remove the cluster and perform 1598 pin out diagnostic - This is where I quit.
I assume at this point I need to go through drive cycle procedure since all codes have been cleared at VW, if it's possible that there is an issue only when generic scan tools (Clean Drive OBD test systems) are used, issues with Drive Clean system software, or there is something else?
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