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0605 PCED Powertrain Control Module ROM error Internal PCM failure Internal PCM failure Are you getting a check engine light? Anything wrong with the truck?
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2011 F-350 CCLB 4x4 6.7 27,000 miles
97 F-250 7.3 PSD 4x4, 5 speed, DP tuner, 4" exhaust, shimmed FPR, 6637, EBPV brake, Auto Meter guages, South Bend OFE, BDP stage 1's, HPX (leaked), 08 diff cover, CCV Mod (no more), Adrenaline HPOP, 350,000 miles
I will ask my nephew what it is doing now he had some work done and they told him it was showing that code he kind of thought it was from the chip. Thanks for the answers I will show him your guys reply thanks again
xnorp
The P0603 (KAM) code is common with a chip or tuner, but I don't know that I've seen a chip cause a ROM error.
Just speculation, but I would guess that if the PCM is unable to read the chip that code would result. Possibly the chip itself has failed?
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Scott
His: 01 F-250 Lariat, 7.3, ZF-6, NV271. A few mods
Hers: 06 Freestar SEL 4.2l
79 Bronco Ranger XLT.. used be the driver, now waiting to become the project.
96 Grand Marquis LS... 25 mpg commuter
Thanks every body. I asked him and he said that he was not getting any lights after he had a sensor changed in the exaust someplace so he is going to not worry about the code. If he has any more problems he is going to sign up and ask on here he did not know about this great site. Thanks again.
xnorp
The other day I posted some on another guy's thread because my truck started running badly too. I changed the CPS, but that fixed it for a quick run down the street and then it ran bad again.
I have a friend who is a master mechanic with all the scanners, gauges etc. So for a couple beers, he scanned my truck. The truck kept coming back with Error Code P0605. Sounds like PCM right?
My question for the forum, can using an aftermarket chip smoke the PCM? Just before it ran bad, I had moved up to switch position 2 (has a TS 4 position switch), then dialed back to switch position 1. That's when it started running bad. If my chip, or method of using it caused the issue, maybe this post saves you a PCM.
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Mike. 97 F250 totaled 11/19/12 B.E.S.T. mapLouisiana FTE Member Map
2012 Ram CC 1500 5.7 Hemi
Diablo sport trinity hemi fever tune, 87mm throttle body, BBK headers, HF cat, 14" magnaflow, AFE intake, 180* T-stat. All waiting for time to be put on.
When married you have two simple choices. You can be "Happy" or you can be "Rite" you can't have both
I actually tried that. Same code - actually ran worse. I think the PCM lost part of its mind somehow - perhaps a voltage spike when I switched the power chip position?
I recall there being a sticky thread or something about DONT RUN EDGE PROGRAMMERS cuz it fries PCMs.
I imagine that other programmers/chips could do the same just not Edge products....
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Alex
97 f350 RC 4x4 Auto 4.10s, 3"-4" straight pipe, 4" lift, 6637, gauges, TS chip, T-500.
A general rule in modding ANY vehicle is: Fast, reliable, cheap; you can only pick two, you can't have all three.
The issue with the Edge stuff is that it erases the PCM program and then "reprograms" it every time you change the program. If anything goes wrong in the middle of that process, you can corrupt the PCM beyond repair. I have never heard anything of the sort happening with a TS style chip. Are you sure the chip is not loose on the back of the PCM or something? The way the chip works, it leaves the stock programming in the PCM and just changes how it interprets the information coming into the PCM and the corresponding outputs. I would be surprised if the chip is to blame for your issue. 'Course I have been wrong before.....
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--Nate "Just a redneck geek"
1996 F-350 7.3L PSD, 4x4, CCLB SRW, 3.55's, E4OD, EBPV Delete, 3" DP, Stock Tailpipe and Muffler, Riffraff 6637 Intake, 400,000 miles and counting.
If it isn't under warranty, I'll fix it myself.
I unplugged the TS and the truck ran worse. I get the darn code with and without the chip plugged in. I'm not saying the TS fried the PCM; I was asking if it could and asking if the problem might be when I switched from position 2 to position 1. Maybe that was all a coincidence and something else caused the problem. For now, I'm going to remove the PCM and send off to auto computer change (something like that) to have the see if it's repairable or reprogrammable. If so and I get truck running again, I intend to plug the TS chip back in cuz I like the power it makes
It seems unlikely that changing the chip position caused your problem...... especially if replacing the cam sensor corrected it for a few minutes.
I have actually had a T/S style chip fry itself right there in the PCM port, but when I pulled the chip the truck ran perfectly.
A voltage spike through the chip can fry the pcm, but the only times I can remember hearing about that happening is when people were removing/installing the chip with the key in the ignition.
Did your CEL come on? If it's driveable I'd put a couple of drive cycles on it without the chip and rescan it.
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Scott
His: 01 F-250 Lariat, 7.3, ZF-6, NV271. A few mods
Hers: 06 Freestar SEL 4.2l
79 Bronco Ranger XLT.. used be the driver, now waiting to become the project.
96 Grand Marquis LS... 25 mpg commuter
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1997 Ford F350 PSD, 4X4, XLT, Crew Cab
