As title says I have these active codes on a 2014 western star 4900SF (FR8686 last 6 of VIN). All mode 5. These are ¾ of the codes that would suggest a bad RX Module.
Replaced RX Module, which got rid of the P171 5 code. These codes are showing active. The module is an updated module, according to freightliner. Purchased from freightliner. Old module 06-71342-004. New module 06-94503-254.
Pics show troubleshooting suggest: refer to OEM. I'm not understanding where to look in the dtnaconnect web site or manuals to find/figure out how to solve these codes, or explain these codes. I obviously have the dddl software and access to dtnaconnect website, but not getting any closer to resolving after weeks of searching.
Any help will be appropriated. And thanks in advance.
Dd15 codes P77, P78, P114, P373, P418
Discussion in 'Heavy Duty Diesel Truck Mechanics Forum' started by free2fly973, Jun 3, 2021.
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Another Canadian driver Thanks this. -
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No one has any clues to these codes?
Another Canadian driver Thanks this. -
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I have exactly the same codes and my check engine light switch on and of.
Did you solve the problem?
ThanksAnother Canadian driver Thanks this. -
Another Canadian driver Thanks this.
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Have the same problem any luck finding out how to fix the problem? Thanks!
Another Canadian driver Thanks this. -
I need to chase wires for the axle temp codes and see what i find. May lead answer to others.Another Canadian driver Thanks this. -
What is your axle temperature readings on dddl. ?
Another Canadian driver Thanks this. -
I don't have a gauge and my dddl expired. I do have sensors in the axles for temps though. Guessing for ECM. I'd like to install a gauge.
Another Canadian driver Thanks this. -
Guessing is get expensive this days. You have to read what is the ecm read . Otherwise just pissing against the wind.
Maybe you got lucky
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