Isuzu P0604 ECM Self Check Fault

Description

OBD-II Trouble Code Description for P0604 Isuzu

Internal Control Module Random Access Memory (RAM) Error

What does this mean?

OBD2 Code P0604 Isuzu definition:
The ECM/PCM continuously monitors its own internal memory status, internal circuits, and output signals transmitted to the throttle actuator. This self-check insures that the ECM/PCM is functioning properly. If any malfunction is detected, the will ECM/PCM will set the code and illuminate the engine light.

Symptoms

Possible sumptoms of OBD code P0604 Isuzu
– Engine Light ON (or Service Engine Soon Warning Light) – Engine may not start

Causes

Possible causes of OBD code P0604 Isuzu
– ECM/PCM Harness power supply circuit is open or shorted – ECM/PCM Programing – Faulty ECM/PCM The Error code is generally activated on detection of the following conditions: Indicates the ECM/PCM has experienced an internal memory fault.

Possible Solutions

– Resecure ECM/PCM connectors – Reprogram ECM/PCM – Replaced ECM/PCM

The OBD2 Code Information Be Applicable For Isuzu:

2011 Isuzu Rodeo 3.0 Denver,2008 Isuzu Pickup,2007 Isuzu Ascender,2002 Isuzu Axiom XST Concept,2002 Isuzu Axiom XSR Concept,2001 Isuzu Zen Concept,2001 Isuzu GBX Concept,2001 Isuzu Axiom XSF Concept

 

Note:

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