Isuzu P0603 ECM Power Supply Circuit

Description

OBD-II Trouble Code Description for P0603 Isuzu

Internal Control Module Keep Alive Memory (KAM) Error

What does this mean?

OBD2 Code P0603 Isuzu definition:
Battery voltage is supplied to the ECM/PCM even when the ignition switch is turned OFF for the ECM/PCM memory function of the DTC memory, the air-fuel ratio feedback compensation value memory, the idle air volume learning value memory, etc.

Symptoms

Possible sumptoms of OBD code P0603 Isuzu
– Engine Light ON (or Service Engine Soon Warning Light) – Engine may not start

Causes

Possible causes of OBD code P0603 Isuzu
– Loose or poor battery terminal connection – Low battery charge – ECM/PCM 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

– Recharge battery – Resecure and clean battery terminal connection – 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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