Cedric62, You probably did this if your planning on replacing the SAM Chassis, but be sure to measure the voltage on SAM chassis on both the...
For the issue of being stuck on 8th and 7th gear, I wonder if that could be related to the range cylinder housing leaking or corrosion around the...
Also, found this: The primary input for the dome lamps are the driver and passenger door actuators. The front dome lamp switch is a secondary...
Found this in the Cascadia Troubleshooting manual "The dome and footwell lamps are activated by opening the driver or passenger door. Opening and...
SAMCAB fuse F13 a 20 amp shows for door locks or Collision avoidance system, so check that also. According to the SAM Wall chart the door open...
Have you checked SAMCAB fuse F12 a 20 amp fuse? The SAM Wall chart at...
Are you aware of Welcome to DTNA eComponents website?. A lot of helpful information available there. Especially the SAM Wall Chart...
Good to hear that your truck is in shop being assessed. Neat that your thinking about the diagnostic process! You are correct it more likely a...
Did you recently changed fuel filters before the intermittent stalling occurred? When it stalls can you restart it immediately? Each time in the...
I am not aware of repairing SAM CAB if part of it has failed. However, proper testing needs to be done before the SAM CAB is replaced. Also,...
Headlights, power mirrors, power windows and instrument cluster are all getting power through the SAM CAB. Water intrusion is a known problem on...
At the shop we would have big fleet trucks that came in that had a type of quick drain installed. We didn't have that system so we just removed...
Perhaps, it more correct to say the anti-compounding feature your brake valve, as a multi-functional spring brake modulating valve will...
If you treadle (foot) valve is sticking won't the anti-compounding valve cause the spring brakes to slowly apply so not do damage your brakes. You...
Could the push rod seal in one of your brake chambers be leaking and allowing air from the parking brake side to back feed out of the service side...
If your bunk light stays on whether or not the bunch switch is released or depressed, remember that the baggage compartment switch will also turn...
Seeing for source address (SA) 23 which is the instrument cluster, that for the ICUCO1T the fault SPN 523002/FMI 31 is listed. Fault description...
Also found, if 3 blinks repeating at main LED at PNDB and main LED of CLDS with CLDS in off position, then Circuit 425F or 425G short to ground....
Read through troubleshooting and found this "If the blink is a 1 blink repeating at the main LED of Powernet Distribution Box (PNDB) and 1 blink...
You know already but for others reading this post in the future the fault description may be beneficial. SPN 5571 FMI 7 -Pressure limiting valve,...
