Engine/Transmission (1998.5 - 2002) codes?

[aharrow]

Another code question engine light is not on but out of curiosity I did the key on-off deal and this is what it said p-pcu,0622,1765,1694 p-done p-ecu,p1639 p-done if any one can tell me what these mean and if it is something I need to worry about any info or suggestions would be great thanks Aaron

 

[MCharlebois]

codes

here ya go



0622-generator field not switching properly--an open or shorted condition detected in the genorator field control circuit



1765-trans 12 volt supply relay CTRL circuit----an open or condition is detected in the trans relaycontrol circuit. this relay

suplies power to the TCC



p1694 (M) no CCD messages recieved from ECM-----BUS communication failer to PCM



service mmanual worth every dime!!!!

 

[aharrow]

Thanks for the quick reply do you know where to get that manual? do you or anyone know if any of these are going to harm anything on the truck again thank you Aaron

 

[MCharlebois]

manual

i got mine from DC------800 890 4038

as for the codes ,i dont know

 

[Sticks]

Sounds like either the alternator is on it's way out, or a relay is going bad, or both.