P0605 fault code

[Gyrodec]

Hi guys,

 

Not sure if this is the right area to post in. Sorry if it's not.

 

I unfortunately have the code of ECU death (p0605). Symptoms are, the car has a rough Idle and anything below 2k rpm on the road it will all of a sudden drop 200-400 rpm intermittently. 

 

Anyone have any thoughts on possible repairs before I go get a new ecu or the current one repaired. Fuses? PCR Valve? Cam Sensors etc? 

 

Thanks guys!

[ZMANALEX]

This might help:

 

The diagnostic trouble code P0605 indicates an "Internal Control Module Read Only Memory (ROM) Error", meaning the PCM is experiencing an issue with its internal software storage, potentially requiring a reflash or module replacement. 

 

Here's a more detailed explanation:

• What it means:

  The P0605 code, which stands for "Internal Control Module: ROM Error," signifies that the Powertrain Control Module (PCM) has detected a problem within its internal Read Only Memory (ROM). 

   
• What ROM is:

  The PCM's ROM stores the software that controls the vehicle's engine and other related systems. 

   
• Potential causes:

  • Faulty PCM: The PCM itself may have internal problems that are causing the ROM to fail. 
     
  • Software corruption: The software stored in the ROM may be corrupted. 
     
  • Bad solder joints or ground issues: Problems with solder joints or power/ground supply to the ECM can lead to this error. 
     
  • Aftermarket performance chips: If you have installed an aftermarket performance chip, removing it and clearing the code can resolve the issue. 
     
• Troubleshooting and repair:

  • Consult a professional: If you suspect a P0605 code, it's best to consult a qualified mechanic. 
     
  • Hard reset: Disconnecting the battery for 30 minutes to clear the memory to see if the fault comes back. 
     
  • Check connections and wiring: Inspect the PCM's power and ground connections, and ensure the wires are in good condition. 
     
  • PCM reflash or replacement: Depending on the fault, the PCM may need to be reflashed (reprogrammed) with the correct software, or it may need to be replaced. 
     

 

 

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