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P1603 Diagnostic Trouble Code Discussion for January 2010

PCM Internal Shutdown Timer Rationality


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Trouble Ticket Help Requests for DTC P1603
Help Request Posted
2002 Mazda 626 LX 2.5L No Start VIN: 1YVGF22D72
P1603: Key ID (Code Word) Not Registered In PCM. Hey Guys, This 626 was purchased as a wreck at auction and when the guy couldn't get it running, it wound up here. No spark, no injector drive. When I clear the 2 codes, they reset as soon as the key is turned on. The theft light is off when the key is off, ...
January 11, 2010
2002 Mazda 626 LX 2.5L No Start VIN: 1YVGF22D72
P1603: Key ID (Code Word) Not Registered In PCM. Hey Guys, This 626 was purchased as a wreck at auction and when the guy couldn't get it running, it wound up here. No spark, no injector drive. When I clear the 2 codes, they reset as soon as the key is turned on. The theft light is off when the key is off, ...
January 11, 2010