Duaparts Blog

Beside buying parts, we are helping the trucking industry with the latest information about new technologies, trends and a ton of repair manuals

SPN 704 FMI 3 – Digital Output 4 07 Circuit Failed High Fault Code (Symptoms, Causes & Fix)

The SPN 704 FMI 3 fault code indicates a problem with the Digital Output 4 07 Circuit, specifically that the circuit has failed high. This diesel engine fault code suggests that the Engine Control Module (ECM) is detecting a higher than expected voltage in the digital output circuit, which could be due to a short to voltage or a malfunctioning component.What SPN 704 FMI 3 MeansWhen the SPN 704 FMI read more

SPN 703 FMI 5 – Digital Output 3 09 Circuit Open Fault Code (Symptoms, Causes & Fix)

The SPN 703 FMI 5 fault code is a diagnostic trouble code indicating an open circuit condition in the Digital Output 3 09 circuit of a diesel engine. This fault code suggests that the Engine Control Module (ECM) has detected a lack of continuity or an open circuit in the digital output path, which can affect the operation of connected components.What SPN 703 FMI 5 MeansThe SPN 703 FMI 5 fault code read more

SPN 703 FMI 4 – Digital Output 3 09 Circuit Failed Low Fault Code (Symptoms, Causes & Fix)

The SPN 703 FMI 4 fault code indicates a 'Digital Output 3 09 Circuit Failed Low' condition in a diesel engine. This diagnostic trouble code suggests that the electronic control module (ECM) has detected a low voltage condition in the digital output circuit, which could affect the operation of various components relying on this output.What SPN 703 FMI 4 MeansThe SPN 703 FMI 4 fault code is associa read more

SPN 703 FMI 3 – Digital Output 3 09 Circuit Failed High Fault Code (Symptoms, Causes & Fix)

The SPN 703 FMI 3 fault code indicates a problem with the Digital Output 3 09 Circuit, specifically that the circuit has failed high. This diesel engine fault code suggests that the Engine Control Module (ECM) is detecting a higher than expected voltage in the digital output circuit, which could be due to a short to voltage or other electrical issues.What SPN 703 FMI 3 MeansThe SPN 703 FMI 3 fault read more

SPN 702 FMI 5 – Digital Output 3 08 Circuit Open Fault Code (Symptoms, Causes & Fix)

The SPN 702 FMI 5 fault code indicates a problem with the Digital Output 3 08 Circuit, specifically an open circuit condition. This diesel engine fault code is triggered when the Engine Control Module (ECM) detects that the circuit is not completing as expected, which can affect the operation of components relying on this digital output.What SPN 702 FMI 5 MeansSPN 702 FMI 5 represents an open circ read more

SPN 702 FMI 4 – Digital Output 3 08 Circuit Failed Low Fault Code (Symptoms, Causes & Fix)

The SPN 702 FMI 4 fault code is a diagnostic trouble code that indicates a low failure condition in the Digital Output 3 08 circuit of a diesel engine. This code is triggered when the Engine Control Module (ECM) detects that the voltage level in the digital output circuit is below the expected range, suggesting a potential electrical issue.What SPN 702 FMI 4 MeansWhen the SPN 702 FMI 4 fault code read more

SPN 702 FMI 3 – Digital Output 3 08 Circuit Failed High Fault Code (Symptoms, Causes & Fix)

The SPN 702 FMI 3 fault code indicates a problem with the Digital Output 3 08 Circuit, specifically that the circuit has failed high. This diesel engine fault code suggests that the Engine Control Module (ECM) is detecting a higher than expected voltage in the digital output circuit, which could be due to a short to voltage or other electrical issues.What SPN 702 FMI 3 MeansThe SPN 702 FMI 3 fault read more

SPN 701 FMI 5 – Digital Output 3 07 Circuit Open Fault Code (Symptoms, Causes & Fix)

The SPN 701 FMI 5 fault code is a diesel engine fault code indicating an open circuit condition in Digital Output 3 07. This diagnostic trouble code suggests that the Engine Control Module (ECM) has detected a break in the circuit responsible for controlling a specific output, which could lead to improper functioning of the associated component.What SPN 701 FMI 5 MeansThe SPN 701 FMI 5 fault code read more

SPN 701 FMI 4 – Digital Output 3 07 Circuit Failed Low Fault Code (Symptoms, Causes & Fix)

The SPN 701 FMI 4 fault code indicates a problem with the Digital Output 3 circuit, specifically that the circuit has failed low. This diesel engine fault code suggests that the ECM is detecting a low voltage condition in the circuit, which could be due to a short to ground or a malfunctioning component.What SPN 701 FMI 4 MeansThe SPN 701 FMI 4 fault code is related to the Digital Output 3 circuit read more

SPN 701 FMI 3 – Digital Output 3 07 Circuit Failed High Fault Code (Symptoms, Causes & Fix)

The SPN 701 FMI 3 fault code indicates a problem with the Digital Output 3 07 circuit, specifically that the circuit has failed high. This diesel engine fault code suggests that the Engine Control Module (ECM) is detecting a higher than expected voltage in the digital output circuit, which could be due to various electrical issues.What SPN 701 FMI 3 MeansThe SPN 701 FMI 3 fault code is related to read more