Isuzu P0641 5 Volt Reference Voltage Incorrect

Description

OBD-II Trouble Code Description for P0641 Isuzu

Sensor Reference Voltage “A” Circuit/Open

What does this mean?

OBD2 Code P0641 Isuzu definition:
The Service Manual says The Engine Control Module (ECM) detects a voltage out of tolerance condition on the 5V reference 1 or 2 bus for more than 0.5 seconds.

Symptoms

Possible sumptoms of OBD code P0641 Isuzu
– Engine Light ON (or Service Engine Soon Warning Light)

Causes

Possible causes of OBD code P0641 Isuzu
– ECM Short circuit condition – Shorted sensor on 5 volt circuit – Failed ECM The Error code is generally activated on detection of the following conditions: The ECM has detected the sensor 5 volt reference circuit voltage is higher or lower than expected

Possible Solutions


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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