OBD Code P0605

Internal Control Module Read Only Memory (ROM) Error

What’s mean?

OBD2 Code P0605 Definition:
The ECM/PCM consists of a microcomputer and connectors for signal input and output and for power supply. The ECM/PCM controls the engine.

Symptoms

Possible sumptoms of P0605
– ECM/PCM calculation function is malfunctioning. – ECM/PCM memory system is malfunctioning. – ECM/PCM self shut-off function is malfunctioning

Possible Causes

Possible causes of P0605
– ECM/PCM Harness power supply circuit is open or shorted – ECM/PCM Harness ground supply circuit is open or shorted – ECM/PCM may be faulty The Error code is generally activated on detection of the following conditions: Engine Light ON (or Service Engine Soon Warning Light)

Possible Solutions