P1604 - ok so what is the problem - what do i need to fix this on 2002 dodge durango slt , Atm 4x4

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Carguy1 · Answer 1 · 2017-08-31T12:43:28+0000

HI there

This code indicates either an internal failure of the PCM or a power issue to the PCM

P1604 DODGE - PCM Internal Dual-Port RAM Read/Write Integrity Failure

Read more: https://www.autocodes.com/p1604_dodge.html