Originally Posted by R.DesJardin
If only the #1 solenoid is working you would have 1st and 4th only. Here is some tech info.
That's right. It enteres that mode of operation when engine temp reaches 100-103 ° Celsius (212-218 Fahrenheit) . Now that is the worst condition,heavy traffic and stop and go condition.
My Cooling system is working fine , Im running a Heavy Duty Engine Cooling radiator (te one which has an extra row) and using Mopar 50/50 pre diluted coolant.
To have in mind , about a month ago one of the tranny cooling lines broke down loosing ATF till the point the tranny started to slip moment which I stopped the vehicle until it got repaired. Cooling line both were replaced by brand new ones.
I suspect the tranny got hurt due to this. BUT the DTC is indicating an electronic issue. The tranny does not slip at all so my final suspects are:
Well , I'll be fighting this one during the weekend and keep up here with the updates and progress .
Thanks for your concern