For Shop Owners

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

Repair Importance Level: 3/3
Repair Difficulty Level: 3/3 What does this mean?

Possible causes

  • Powertrain Control Module (PCM) fused ignition switch circuit
  • Faulty PCM
  • PCM harness is open or shorted
  • PCM circuit poor electrical connection
What does this mean?

Possible symptoms

  • Engine Light ON (or Service Engine Soon Warning Light)
OBDII Code P1604 Chrysler - PCM Internal Dual-Port RAM Read/Write Integrity Failure -

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P1604 CHRYSLER Comments

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Any information is appreciated. Thanks
Repair Importance Level: 3
1=Low 2=Medium 3=High
Repair Difficulty Level: 3
1=Easy 2=Moderate 3=Hard

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Posted and Edit by 05-21-2016

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