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Ask -Brad- Your Own Question
-Brad-, Dodge Dealership Tech
Category: Dodge
Satisfied Customers: 7828
Experience:  16 Yrs Chrysler/Dodge Technician. ASE Master Certified(L-1)
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Dodge ram: 2012 ram 2500 gas engine its a no start condition

Customer Question

2012 ram 2500 gas engine its a no start condition p0685 asd code and siad low voltage to tcm
Submitted: 2 years ago.
Category: Dodge
Expert:  -Brad- replied 2 years ago.
Did it stall on you or just wouldn't start oneday? If you erase the P0685 is it the only one that returns?
Customer: replied 2 years ago.
it just didnt start it was running fine up till then no codes now when i clear the code it comes right back as u try and start it again it also said low voltage to the tcm and when u crank it now it says service 4x4 system from the cluster display
Expert:  -Brad- replied 2 years ago.
Here is the diagnostics for the P0685. Can you run thru them and tell me what you find? It's possibly a bad TIPM.. Have you tried a hard reset by disconnecting the battery for 5 min and see what happens?
Customer: replied 2 years ago.
i tried a hard reset still no start and now it has p0685 and p0688
Expert:  -Brad- replied 2 years ago.
Here is the diagnostic test for P0688.. Run it and let me know what you find.. Brad