21 Voltage supply internal heaters 1 (UB1) electrical - Short to bat at UB1 with Key 15 off - P20C8 Pump module - Internal heating - Short circuit high
Voltage supply internal heaters 1 (UB1) electrical - Short to bat at UB1 with Key 15 off - P20C8 Pump module -Internal heating -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.