Chrysler Repair Questions? Ask a Mechanic for Answers ASAP
Good afternoon and welcome to JustAnswer!!My name is ***** ***** I have worked for a Chrysler-Dodge-Jeep dealership for 19 years and I will do my best to help.
The P1604 code means P1604-PCM INTERNAL DUAL-PORT RAM READ/WRITE INTEGRITYFAILURE which means the PCM is bad and will need to be replaced.. It has nothing to do with your airbag light and you will need a scantool to retrieve the codes from the airbag module to determing the issue..
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The PCM is the powertrain control module and it's located beside the air filter..