Question about Chrysler Voyager
P1684, for your vehicle, a technican would need to check the wiring and connector going to the PCM (powertrain control module). The code is general and indicates that there is an error with the controller, and to check the fluid level, do a shift test, clean and check connectors, etc...
The PCM is the digital computer that regulates engine operations and is located next to your battery.
P0601 is the code that is more specific and states that the PCM has an internal controller failure, and that the internal checksum for software failed. The only remedy stated is that the PCM would need to be replaced and programmed.
If the dealer is recommending that you need PCM and program, that doesn't sound out of line. It's about a $460 part for a federal emission vehicle, or around $640 for Cali. emissions. Replacement time is around 0.5 hr , and most dealerships would probably charge 1.0 to 1.5 hrs for programming.
Please let me know if I may further assist you.
Posted on Apr 01, 2011
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Posted on Jan 02, 2017
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