John Gallagher
New Member
Afternoon gentlemen have a 670 J Dozer have no throttle response I have codes have 3 codes the first code I have is F9C3 I looked it up and it says mdv not receiving message from the transmission TCM
2nd code F423 Transmission control is not receiving a signal
3rd code F9C4 no communication from the ECM
The numbers on the ECM part number it's RE522527
S/N 124197
I found your site and I just figured I'd shoot it out here and see if anybody has any ideas would be appreciated I'm going to contact the dealer but I figured I'd try this first thank you guys for some upstate New York
2nd code F423 Transmission control is not receiving a signal
3rd code F9C4 no communication from the ECM
The numbers on the ECM part number it's RE522527
S/N 124197
I found your site and I just figured I'd shoot it out here and see if anybody has any ideas would be appreciated I'm going to contact the dealer but I figured I'd try this first thank you guys for some upstate New York