What is fault code SPN?
The Suspect Parameter Number (SPN) is diagnostic fault code terminology found on some Caterpillar ® products using a J1939 CAN data link.
What is an FMI code?
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.
What is a DM1 message?
Diagnostic Message 1 (DM1) – Active Diagnostic Trouble Codes This lamp is prescribed by the OBD guidelines and signals malfunctions relevant to exhaust gas. This lamp is used to signal errors not due to electronics, e.g., wash water fill level too low or engine cooling temperature too high.
What are SPN and FMI codes?
DTC
- Suspect Parameter Number (SPN) Represents the SPN with error.
- 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.
- Occurrence Counter (OC)
- SPN Conversion Method (CM)
What does SPN 563 stand for in ABS?
SPN 563 is for the CAN data wires. Usually, this is a fault originating in the ABS system. Repair the ABS fault and you will fix this fault automatically. Here is more info.
What is the ABS on transmission fault code?
Abs on transmission fault code is spn 563 the truck only goes 5 mph with 2200 rpm. Disconnect the speed sensor on the – Answered by a verified Technician We use cookies to give you the best possible experience on our website.
What is the Suspect Parameter Number ( SPN )?
The Suspect Parameter Number (SPN) is diagnostic fault code terminology found on some Caterpillar ® products using a J1939 CAN data link.
What does the check ABS light mean on a truck?
An indicator light comes on saying Check ABS, then check transmission, then traction control comes on. It’s been in the shop in three states and they can’t figure it out. The codes it throws are as follows: It’s intermittent and seems like letting off the brakes can trigger it when it’s acting up.