Spn 524255 Fmi 7 - The freightliner mechanic is vetted for questions like this. The first thing you will notice when reading a j1939 diagnostic code, also known as a dtc (diagnostic trouble code), is sa, spn, and fmi numbers. All three of these identifiers give you. If only the passenger headlight is not working, but the bulb has been confirmed to be in good condition, there are a few possible causes for this issue:fuse: Check the fuse related to the. #freightlinerm2 #enginecodes #33bulkhead #inshape #switch
The freightliner mechanic is vetted for questions like this.