7A Coolant control valve mechanically - mechanical defective blocked open - P20A3 Vent valve (Reductant Purge Control Valve) Short circuit high
Coolant control valve mechanically - mechanical defective blocked open - P20A3 Vent valve (Reductant Purge Control Valve) -short circuit high
Partial frosting and sweating of lines combined with poor cooling, fan belt slipping, loss of refrigerant, restricted or clogged liquid line or expansion valve malfunctioning.