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Car Forum / Jeep / March 20072000 Grand Cherokee - New computer - P1685
I have been having issues with my 2000 Grand Cherokee V6 that several shops advised would be replaced by installing a new computer. I was having sporadic cylinder misfires, odd stalls, and a weird one where I would turn the key to the off position and remove the key and the jeep would keep running. Anyways, I bought a new computer from a salvage yard and just finished installing it. THe Jeep starts up great, but then dies out with a P1685 error. I know that that means SKIM error and that obviously the new computer doesn't recognize the key I use. The question I have now is, what next? Do I have to take it to the Jeep dealer to have the computer programmed? Or can I take it to my local guy that I trust? Any help is much appreiciated. Thanks. michael.haskins wrote: > Anyways, I bought a new computer from a salvage yard and just > finished > installing it. THe Jeep starts up great, but then dies out with a > P1685 error. I know that that means SKIM error and that obviously > the > new computer doesn't recognize the key I use. > The question I have now is, what next? Do I have to take it to the > Jeep dealer to have the computer programmed? Or can I take it to my > local guy that I trust? Not 100% on this. I believe it takes the dealership programmer to reset the SKIM code.  SignatureDougW > michael.haskins wrote: > > Anyways, I bought a new computer from a salvage yard and just [quoted text clipped - 12 lines] > -- > DougW That sucks. The closest dealer (by far) to me wanted to charge $1200 to replace the ECM in the first place which is why I went to a salvage yard. I wonder if they'll still try to charge me the full amount if I have my car towed in. michael.haskins wrote: >> michael.haskins wrote: >>> Anyways, I bought a new computer from a salvage yard and just [quoted text clipped - 9 lines] >> Not 100% on this. I believe it takes the dealership programmer to >> reset the SKIM code. > That sucks. The closest dealer (by far) to me wanted to charge $1200 > to replace the ECM in the first place which is why I went to a salvage > yard. I wonder if they'll still try to charge me the full amount if I > have my car towed in. From what I read, you should get a P0513 Invalid SKIM Key or P0633 SKIM Key Not Programmed Sure you have every wire hooked back up with no bent pins? If there was no feed you would get P1686 No SKIM BUS Messages Received Be Careful.. start it with the wrong key six times and it will require a trip to the dealer. I wonder if you have a simple steel key (no skim) AKA, a Valet key, you should be able to get to the dealer. (I would call to confirm this) This might help. ----------- 801505 - POWERTRAIN CONTROL MODULE INITIALIZATION Date: 03/02/05 Model Year(s): 1999-2004 Description: NOTE: The model years and vehicles above must be equipped (optional) with Sentry Key Theft Deterrent System (sales code GXX) for this bulletin to apply. When a Powertrain Control Module (PCM) is replaced on vehicles equipped with the Sentry KeyT Theft Deterrent System, it must be initialized to properly function with the anti-theft module. This is accomplished at a Chrysler Group Dealer by using the DRBIII® or StarSCANT Scan Tool to enter a PIN number. When the PIN number is not available from the vehicle owner or a Chrysler Group Scan Tool(s) is not available this can be accomplished by writing the Vehicle Identification Number (VIN) into the PCM using an after-market scan tool with a "VIN Write Function". More information is available from the scan tool manufacturer or the Equipment & Tool Institute. NOTE: After performing this procedure with an after-market scan tool on vehicles equipped with Chrysler Group's Next Generation Controller (NGC), Diagnostic Trouble Code (DTC) "P0633 - SKIM SECRET KEY DATA NOT STORED IN PCM" will be set. This DTC will not effect vehicle or system performance and cannot be erased. SignatureDougW > michael.haskins wrote: > >> michael.haskins wrote: [quoted text clipped - 67 lines] > > - Show quoted text - Yeah, It's hooked up correctly. It would start, rev once, then stall. Yes, I'm sure I have the SKIM key, as last year we lost it for a few days and were going to have to fork out $300 to the dealer to have it replaced. I put the old PCM back in, and I'll take the new one to the dealer tomorrow to see if I can get it reprogrammed wihtout being raped by them. On second thought, I might go to the Jeep dealer in the rough part of town. The one closest to me is in a ritzy area and they seem to specialize in the old rip off. I really hate the fact that I can't do this myself. Thanks for the replys. The dealer in my area wanted $50 for the key blank and another $50 for the programming. I think what is happening is that the 'new' computer thinks the vehicle is being stolen because the transponder chip is not throwing off the 'right' code, that is, the code held in the computer's memory. When this happens the engine will start and run..... but only for a couple seconds and then you should be having the SKIM (looks like a key) warning light on the dashboard activated. On Mar 6, 9:37 pm, "DougW" <post.repl...@invalid.address> wrote: > michael.haskins wrote: > > On Mar 6, 8:47 pm, "DougW" wrote: [quoted text clipped - 68 lines] > > - Show quoted text - Yeah, It's hooked up correctly. It would start, rev once, then stall. Yes, I'm sure I have the SKIM key, as last year we lost it for a few days and were going to have to fork out $300 to the dealer to have it replaced. I put the old PCM back in, and I'll take the new one to the dealer tomorrow to see if I can get it reprogrammed wihtout being raped by them. On second thought, I might go to the Jeep dealer in the rough part of town. The one closest to me is in a ritzy area and they seem to specialize in the old rip off. I really hate the fact that I can't do this myself. Thanks for the replys. you can now rent a drb3 scantool from d.c for 150.00 for 3 days and it can come with the software needed to reprogam the pcm if needed but yopu can also use it to reprogam the pcm with the correct skim pin number as long as u can get it or have it > > michael.haskins wrote: > > >> michael.haskins wrote: [quoted text clipped - 82 lines] > > Thanks for the replys. That's nice to know. Could be well worth it, to program the stock chip to an aftermarket race specs. God Bless America, Bill 0|||||||0 mailto:LWHughes3rd@aol.com http://www.billhughes.com/ > you can now rent a drb3 scantool from d.c for 150.00 for 3 days and it can > come with the software needed to reprogam the pcm if needed but yopu can also > use it to reprogam the pcm with the correct skim pin number as long as u can > get it or have it SignaturePosted via a free Usenet account from http://www.teranews.com and it would still be cheaper than a dealership visit > That's nice to know. Could be well worth it, to program the stock chip to an > aftermarket race specs. [quoted text clipped - 10 lines] > -- > Posted via a free Usenet account from http://www.teranews.com Neither. I would recommend you put the computer back in and change the broken ignition switch. The fact you can remove the key without shutting down the engine just 'screams' broken or loose ignition switch. The stalls also... You also might want to look 'real' close at that 'V6' engine.... Mike 86/00 CJ7 Laredo, 33x9.5 BFG Muds, 'glass nose to tail in '00 88 Cherokee 235 BFG AT's Canadian Off Road Trips Photos: Non members can still view! Jan/06 http://www.imagestation.com/album/pictures.html?id=2115147590 (More Off Road album links at bottom of the view page) > I have been having issues with my 2000 Grand Cherokee V6 that several > shops advised would be replaced by installing a new computer. I was [quoted text clipped - 18 lines] > > Thanks. > Neither. > [quoted text clipped - 38 lines] > > - Show quoted text - Here are a list of my current symptoms: (They only present about 30-40% of the time that I am driving) 1. Occasional stalls during slow sharp turns or reverse 2. Rough ride, with RPMs jumping all over the place 3. Codes for cylindar misfires 4. When I hit 70 mph exactly, car goes in to freewheel until it gets below around 67 mph This has been going on since Thanksgiving. I have had the following work done so far: 1. New crankshaft sensor 2. Throttle body clean 3. New spark plugs/coils 4. Engine reflash The ECM I got was only $100 bucks, so I figured I'd give it a try. The techs at all the places I have been to say that it isn't the ignition switch, but I will ask again when I go in tomorrow to get my ECM reprogrammed. >> Neither. >> [quoted text clipped - 59 lines] > ignition switch, but I will ask again when I go in tomorrow to get my > ECM reprogrammed. Are the symptoms related to how much gas you have in the tank? eg. works better with a full tank, stalls with an almost empty tank. It might be a defective the fuel pump, causing low fuel pressure to the injectors. Bill. > I have been having issues with my 2000 Grand Cherokee V6 that several > shops advised would be replaced by installing a new computer. I'm trying to figure out how you got a 2000 Grand Cherokee with a V6 engine. > michael.hask...@gmail.com wrote: > > I have been having issues with my 2000 Grand Cherokee V6 that several > > shops advised would be replaced by installing a new computer. > > I'm trying to figure out how you got a 2000 Grand Cherokee with a V6 > engine. My bad. Typing while tired. >> michael.hask...@gmail.com wrote: >> > I have been having issues with my 2000 Grand Cherokee V6 that [quoted text clipped - 5 lines] > > My bad. Typing while tired. OK, I was wondering if you'd used the way back machine* to put a 2005/6 engine in your 2000 Jeep. *If you don't know Mr. Peabody and his boy Sherman do a google search on The Rocky and Bullwinkle Show. |
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