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The SPN 1636 FMI 14 fault code is a diesel engine diagnostic trouble code indicating that the intake manifold temperature sensor signal is not plausible. This code is triggered when the Engine Control Module (ECM) detects an irregular or unexpected signal from the intake manifold temperature sensor, suggesting a potential issue with the sensor or its circuit.What SPN 1636 FMI 14 MeansSPN 1636 FMI read more

The SPN 1636 FMI 4 fault code indicates an issue with the intake manifold temperature circuit, specifically that the circuit has failed low. This diesel engine fault code suggests that the Engine Control Module (ECM) is receiving a signal from the intake manifold temperature sensor that is below the expected range. This diagnostic trouble code is crucial for maintaining optimal engine performance read more

The SPN 1636 FMI 3 fault code is a diesel engine fault code indicating that the intake manifold temperature circuit has failed high. This diagnostic trouble code suggests that the Engine Control Module (ECM) is receiving a signal from the intake manifold temperature sensor that is higher than expected, which could affect engine performance and emissions.What SPN 1636 FMI 3 MeansSPN 1636 FMI 3 refe read more

The SPN 1636 FMI 0 fault code indicates a low efficiency in the Charge Air Cooler (CAC) system of a diesel engine. This diagnostic trouble code is triggered when the Engine Control Module (ECM) detects that the charge air cooler is not effectively reducing the temperature of the compressed air from the turbocharger, which can affect engine performance and efficiency.What SPN 1636 FMI 0 MeansThe SP read more

The SPN 1624 FMI 19 fault code indicates an erratic J1939 Tachograph Vehicle Speed Signal. This diesel engine fault code suggests that the ECM is receiving inconsistent or unreliable speed data from the vehicle speed sensor, which can affect vehicle performance and data logging.What SPN 1624 FMI 19 MeansThe SPN 1624 FMI 19 fault code represents an issue with the vehicle speed signal transmitted ov read more

The SPN 1624 FMI 13 fault code indicates that the J1939 Tachograph Vehicle Speed Signal is missing or not available. This diesel engine fault code suggests a communication issue between the vehicle speed sensor and the ECM, which relies on this data to manage various engine functions. When this diagnostic trouble code appears, it typically means the ECM is not receiving the necessary speed signal, read more

The SPN 1624 FMI 9 fault code indicates a missing J1939 TCO1 message, which is a diesel engine fault code related to telematics communication. This diagnostic trouble code signifies that the Engine Control Module (ECM) is not receiving the expected data from the telematics control unit over the J1939 data link. What SPN 1624 FMI 9 Means When the SPN 1624 FMI 9 fault code appears, it means the ECM read more

The SPN 1623 FMI 13 fault code indicates that the J1939 Tachograph Output Shaft Speed Signal is missing or not available. This diesel engine fault code is triggered when the Engine Control Module (ECM) fails to receive a valid signal from the transmission output shaft speed sensor, which is crucial for monitoring vehicle speed and transmission performance. What SPN 1623 FMI 13 Means SPN 1623 FMI read more

The SPN 1623 FMI 9 fault code indicates an erratic signal from the J1939 tachograph output shaft speed sensor. This diesel engine fault code suggests that the Engine Control Module (ECM) is receiving inconsistent or unexpected data from the output shaft speed sensor, which can affect vehicle performance and diagnostics. What SPN 1623 FMI 9 Means The SPN 1623 FMI 9 fault code is related to the tran read more

The SPN 1592 FMI 19 fault code indicates an erroneous signal from the J1939 High Resolution Wheel Speed (HRW) sensor. This diesel engine fault code suggests that the Engine Control Module (ECM) is receiving an incorrect or inconsistent wheel speed signal, which can affect the vehicle's ABS and traction control systems. What SPN 1592 FMI 19 Means The SPN 1592 FMI 19 fault code is triggered when the read more