SN: C814N02800G
We have been having a problem with code 4, replaced switch and problem went away.
truck runs great for long periods of time then code 4 again, parking brake switch is good, 100% contact at switch and switch connections, but still having code4, went out today to check wiring and troubleshoot the code 4 and now have a PPP on display.
I have schematic's and wiring Diagrams.
What does PPP mean on display?
is there a way to read stored codes, inputs and outputs with display?
Grateful for any input
Thanks, James
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