23 Voltage supply 3 - Coolant control valve and reverting valve (UB3) electrical - Short to bat at UB3 with Key 15 off - P20A3 Vent valve (Reductant Purge Control Valve) - Short circuit high
Voltage supply 3 -Coolant control valve and reverting valve (UB3) electrical - Short to bat at UB3 with Key 15 off - P20A3 Vent valve (Reductant Purge Control Valve) -short circuit high
If Failure to cool in electrical system, Compressor clutch not engaging.Expansion valve not functioning. Restriction in refrigerant system. See your John Deere dealer.Faulty wiring or loose connections.Defective temperature control switch.Outside temperature too low, below 21gets warmer.Condenser is overheating. Clean condenser screens, cores and fins of condenser and radiator.