Trouble code P0601 means:Internal control module memory check sum error
P0601, is pcm internal failure. The engine computer has failed an internal self test and will need replaced.
Pcm internal controller failure.
it is oem and ecm on 2002 dodge caravan Internal computer failure.
evaporative leak
MAP sensor if I recall
PCM internal failure.PCM internal failure.
i just got that code on my 95 Chrysler lhs, and it means the throttle position sensor (tps) is bad or the wiring to it.
Trouble code P0420 means:Catalyst system efficiency below threshold
Trouble code P1698 means: No CCD Messages Received From The TCM
P0700, code present in transmission computer.You need to have the tcm checked for codes.
Trouble code P0406 means:Exhaust gas recirculation sensor A circuit high
Trouble code P0404 means:Exhaust gas recirculation circuit range/performance