Customer: I have the code SPN 2003 FMI 31, which indicates that the source address 3 is not available or a condition exists. What does this mean and how can I resolve it?

Customer: I'm looking for information regarding the issue with the code FMI 31 SPN 2003. The vehicle won't shift, and I can't seem to find any details about what's wrong.

Oct 28, 2011 · Discussion on Allison codes and troubleshooting for school buses in the School Bus Fleet Magazine Forum.

Hello, I’m an equipment mechanic and I’ll be happy to answer your question. The SPN (Suspect Parameter Number) 2003 FMI (Failure Mode Identifier) 31 code indicates a fault related to the …

The SPN 2003 FMI 31 code indicates a transmission output speed sensor fault in the Allison transmission. Check the sensor wiring harness for damage or corrosion, and ensure …

2013 Hino Allison transmission fault code spn 2003 FMI 31. What are the wires I should be checking to fix this fault?

Customer: Hi, I have a code spn2003 fmi 31 on my engine, and the transmission is acting up. Additionally, there's another code Sid 0231 fmi 2 present. Can you please assist me?

Customer: I have a SPN 2003 FMI 31 code. The transmission oil has a burnt smell. I replaced the transmission with an Allison 3500 on a Freightliner M2 with a Cummins engine from 2012, but …

Customer: I have a spin code 2003 FMI 31 address 3 on a 2008 Thomas bus with a C2 Cat engine. Mechanic's Assistant: What’s the make, model, and year of your truck? What type of …

Customer: I'm working on a 2006 Freightliner M2 and I'm encountering an SPN 2003 FMI 19 code. The truck won't start, and the transmission controller isn't powering on either. I've …