Spn 1816 Fmi 9 (2024)

FAQs

What is Freightliner code SPN 1592 FMI 9? ›

SPN 1592/FMI 9

Description This Fault Code Indicates a Missing Message from the Antilock Brake System (ABS) Module. Check as follows: 1. Check for multiple codes. Are there any SPN 168 (battery voltage) fault codes present?

SPN 2011/FMI 9

This diagnostic is typically the J1939 Message is Missing from Source Address 11 (dec) . This code sets when there is a loss of communication from the ABS module.

Spn 639 Fmi 9- This is a datalink communication fault code with a loss of communication with the engine ECM.

An FMI 9 failure code is an issue with the CAN communication where data is not being sent and received in a timely way by the engine computer. An example is a slow response or non-response from a VGT actuator or EGR valve, this will cause FMI 9 fault.

These fields are: Suspect Parameter Number (SPN): Represents the SPN with error. Every defined SPN can be used in a DTC. Failure Mode Identifier (FMI): Represents the nature and type of error that occurred, e.g., value range violation (high or low), sensor short-circuits, incorrect update rate, calibration error.

FMI stands for failure mode identifier—this part of the fault code tells you what type of problem your truck has. For example, in the fault code SPN 3226 FMI 13, the SPN number 3226 tells you the problem is with the SCR outlet NOx sensor and FMI 13 tells you that the signal from the part is unavailable.

Failure Mode Identifier (FMI) Codes on J1939 data link. The FMI is used along with the SPN to provide specific information that relates to a diagnostic trouble code (DTC). The FMI may indicate that a problem with an electronic circuit or an electronic component has been detected.

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SPN is short for suspect parameter number. It identifies which electrical circuit, part or component of your truck isn't working properly. FMI stands for failure mode identifier—this part of the fault code tells you what type of problem your truck has.

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What is Freightliner code SPN 3058 FMI 9? ›

SPN 3058/FMI 9

Description This Fault Code Sets when Actual EGR Flow vs. Desired EGR Flow is Greater than a Calibrated Threshold While the Engine rpm is Between 600 and 900 rpm.

FAILURE MODE IDENTIFIERS (FMI) Now that we have defined MID (The component) and PID (types of data), we can talk about Failure Mode Identifiers (FMI). Every diagnostic trouble code (DTC) that you find will have an FMI.