The SPN 904 FMI 19 fault code indicates that the J1939 Front Axle Speed Signal is erratic, and the Anti Tamper feature is enabled. This diesel engine fault code suggests an issue with the vehicle speed sensing system, where the ECM detects irregularities in the speed signal from the front axle, potentially due to electrical or sensor-related problems.What SPN 904 FMI 19 MeansWhen the SPN 904 FMI 1
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The SPN 904 FMI 13 fault code indicates that the J1939 Front Axle Speed Signal is missing. This diesel engine fault code suggests that the Engine Control Module (ECM) is not receiving the expected speed signal from the front axle, which is crucial for systems like ABS and traction control to function correctly.What SPN 904 FMI 13 MeansThe SPN 904 FMI 13 diagnostic trouble code signifies a loss of
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The SPN 904 FMI 9 fault code is a diagnostic trouble code indicating that the J1939 EBC2 message from the Anti-lock Braking System (ABS) is missing. This diesel engine fault code suggests a communication error between the ABS module and the Engine Control Module (ECM), which can affect the vehicle's braking performance and overall safety.What SPN 904 FMI 9 MeansThe SPN 904 FMI 9 fault code signifi
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The SPN 723 FMI 31 fault code indicates a backwards running engine detected by the ECM. This diesel engine fault code suggests that the engine may be rotating in the reverse direction, which can lead to significant mechanical issues if not addressed promptly. The ECM interprets this condition based on sensor inputs that do not align with expected engine operation. What SPN 723 FMI 31 Means The SPN
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The SPN 723 FMI 11 fault code is a diesel engine diagnostic trouble code indicating a failure in the camshaft position sensor. This sensor is crucial for the engine's timing system, as it provides the ECM with the camshaft's position, ensuring proper fuel injection and ignition timing. When this fault code is active, it suggests that the ECM is not receiving a reliable signal from the camshaft pos
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The SPN 723 FMI 10 fault code is a diesel engine fault code indicating an erratic signal from the camshaft position sensor. This diagnostic trouble code is triggered when the Engine Control Module (ECM) detects inconsistencies in the signal from the camshaft position sensor, which is crucial for engine timing and performance.
What SPN 723 FMI 10 Means
The SPN 723 FMI 10 fault code specifically re
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The SPN 723 FMI 8 fault code is a diesel engine fault code indicating a timeout issue with the camshaft position sensor. This diagnostic trouble code suggests that the Engine Control Module (ECM) is not receiving a valid signal from the camshaft position sensor within the expected timeframe. This can affect engine timing and overall performance.
What SPN 723 FMI 8 Means
The SPN 723 FMI 8 fault co
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The SPN 716 FMI 5 fault code is a diesel engine diagnostic trouble code indicating an open circuit in the Frequency Output 1 09 circuit. This code typically points to an issue within the speed sensor circuit, where the Engine Control Module (ECM) detects a lack of signal due to an open circuit condition.What SPN 716 FMI 5 MeansWhen the SPN 716 FMI 5 fault code is active, it signifies that the ECM
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The SPN 716 FMI 4 fault code is a diesel engine fault code indicating that the Frequency Output 1 09 Circuit has failed low. This diagnostic trouble code suggests that the Engine Control Module (ECM) is detecting a lower than expected frequency signal from the speed sensor circuit, which could impact vehicle performance.What SPN 716 FMI 4 MeansWhen the SPN 716 FMI 4 fault code is active, it signif
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The SPN 716 FMI 3 fault code is a diesel engine diagnostic trouble code indicating that the Frequency Output 1 09 Circuit has failed high. This means the Engine Control Module (ECM) is detecting a higher-than-expected voltage signal from the speed sensor circuit, suggesting a potential electrical issue.What SPN 716 FMI 3 MeansThe SPN 716 FMI 3 fault code relates to the speed sensor circuit, specif
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