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How to get out of lockout after using wrong transponder key?


Old 09-15-2011, 06:16 PM
JayDee240 is offline
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Join Date: Jun 2011
Posts: 50
Default How to get out of lockout after using wrong transponder key?

Long story... crappy truck... 2006 Dodge Ram ST 4.7l 4x4 QCLB... shorted wiring harness... fried ecm... Got new a new ECM, programmed to VIN number of truck, but I have the wrong transponder key. I'm assuming the previous ECM did not match the vin of the truck, which could have been why the ABS didn't work I suppose. I couldn't check it because it was dead, the scanner wouldn't read it. Anyway, freshly remanufactured ECM, I scanned it, it's programmed to my vin, but my key won't run the truck. It starts, runs for 2 seconds, then shuts off, just like it would if you have a spare key without the chip in it. After 3 or 4 tries, it "locks out", and turning the key will do absolutely nothing, it won't try to start at all. How do I reset the ecm for when i get a new key reprogrammed? The dealership doesn't know how, so I'm in a pretty crappy situation.
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Old 09-15-2011, 09:21 PM
HammerZ71's Avatar
HammerZ71 is offline
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Join Date: Jul 2007
Location: South Georgia/East Florida
Posts: 24,689

Your dealership is useless, I've known guys had to have dealers replace the PCM and reprogrammed to the original transponder key with the StarScan Tool...
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