Freightliner No Trans Code - All the lights on the dash turn on and no trans messages appears in cluster. I have no tran on dashboard on a 2025 m2 and cannot connect with allison doc. Dec 25, 2025 · yesterday i got check engine light, trans comm fail, j1939 no data message on the freightliner display. Shorted out the tcu. Aug 16, 2025 · i recently had found the harness on the transmission was rubbing through. Mar 15, 2025 · can someone help in getting the freightliner m2 workshop manual and wiring diagrams? Not sure where trans controller is or power connections. May 11, 2025 · any modern mechanic has dealt with blown fuses! Shorted out the tcu. Early symptoms was data erratic errors and hesitant shifts. I have no tran on dashboard on a 2025 m2 and cannot connect with allison doc. Usually they're easy to spot,,,but,,this one wasn't. !!below are affiliate links for tools i use in this vide.
All the lights on the dash turn on and no trans messages appears in cluster. I have no tran on dashboard on a 2025 m2 and cannot connect with allison doc. Dec 25, 2025 · yesterday i got check engine light, trans comm fail, j1939 no data message on the freightliner display. Shorted out the tcu. Aug 16, 2025 · i recently had found the harness on the transmission was rubbing through.
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Mar 15, 2025 · can someone help in getting the freightliner m2 workshop manual and wiring diagrams? Shorted out the tcu.
SPN 973 FMI 9. FREIGHTLINER CASCADIA 2025. CHECK TRANSMISSION ,ABS

