D4 Too high UREA Temperature in Pump module or Leakage test failed (Emergency shut off) - urea leakage detection (static or dynamic) - P202D Dynamic urea leakage test - Leakage detected
Too high UREA Temperature in Pump module or Leakage test failed (Emergency shut off) - urealeakage detection (static or dynamic) - P202D Dynamic urea leakage test -Leakage detected
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.