2000 one ton,auto..code P1693(dtc in PCM)??? Anyone able to educate me further on this one? Has a raptor fuel pump. Has fuel to the injectors. Would this cause a no start? Also has a code for low TPS voltage, that one i'm sure is from cranking to long with poor batteries,voltage dropped to low...oops. Any other ideas as to a no start??? No other codes come up with the three key toggles..
Code 1693
- Thread starter JF06crd
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kalder
Kevin Alder
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- Oct 4, 2006
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Your truck has a PCM and an ECM. They talk to each other. If one sets a code, the other will set a 1693. It's just saying the other module has a code.
So say your ECM sets a code saying that there is low voltage at the APPS, the PCM will set the 1693 code, telling you that there is a code in the ECM.
Usually the key cycle thing will flash codes then say PCM done. Then if you leave the key alone it will give you ECM codes.
So say your ECM sets a code saying that there is low voltage at the APPS, the PCM will set the 1693 code, telling you that there is a code in the ECM.
Usually the key cycle thing will flash codes then say PCM done. Then if you leave the key alone it will give you ECM codes.
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