The (shifter key pad) was the problem. Long time ago.
Note : On Volvo truck with I-Shift version F 2018 and Up the Eco-Roll (I-Roll) can be turn ON or OFF using PTT(VolvoTool) transmission parameter...
Is The starter replacement have a relay with the both coil ends isolate ? What by pass you did ? Is your truck is manual transmission...
The crank position sensor is located on the top of the flywheel housing. Bad acces with the dog house in place.
Two question for you. Is the fan speed is the same on 3th and 4th position ? Do you have a manual control or automatic (with degree...
What is your rear ends ratio ?
I discussed with my technician If you want to try something you will have to install terminal PN 3948725 Volvo. In the cavity PA 19 and 12...
For now i’m not sure if we can install a manual fan switch with that kind of fan. I will check and come back to you. Do you have the last...
It’s a viscus fan control by the engine Ecu
Are you sure Electric Fan Clutch ??
Be carefull with your drive shaft.
Then probably you have a input shaft bearing problem base on your answer.
Try it on. R2. Instead of R1 and let me know please. Ben.
Some parameter check and change can solve your problem.
Volvo software diagnostic tool
If the code 1127 is active no egr flow can be seen in the PTT Volvo tool. Base on my own experience.
In other words if you use manual mode with the shifter are you able to use all gears. 1 up to 12 ? ?
Is the code 1127 still active ?
I see. Look for a large boost pressure leak between turbo and engine intake manifold.