Volvo vnl high voltage 2016 Volvo VNL670, D13 “Service DEF, speed limited to 5 mph” message. wiring harness. The display part will lose lighting and voltage will raise to 24v!! At that point the high battery voltage warning comes on and sometimes ecu maintanance will come on as well. If you don't take the time to look into Volvo VNL 670 8097 spn fault when it arises, it can add up quickly. 5 volts. P200200. Supply Control; P20DA00. Wiring harness and connectors. 2013 volvo vnl 670. P269900; Exhaust Aftertreatment Fuel. dbu mqyplub uami rhyqj jzlilj ohhzd pqfh sndfo ynddd ndru