Maximum power level and power boost are derated. Injector pump may be damaged because hot fuel loses its lubrication properties. (9540)Įngine Fuel Temperature Sensor voltage is out of range high.

Power boost is disabled.Ĭontroller not powered down properly. Engine coolant temperature above 125☌ / 257☏. Power boost is disabled.Ĭoolant level low. The device or wiring is faulty.Įngine Coolant Temperature is above 105☌. The device or wiring is faulty.Įngine Coolant Temperature Sensor voltage is out of range low. Power boost is disabled.Įngine Coolant Temperature Sensor voltage is out of range high. Power boost is disabled.Īir Filter Restricted Switch indicates a plugged air filter.Įngine coolant temperature above 115☌ / 240☏ (most severe level). (9640, 9560, 9660, 9580, 9680)Įngine Manifold Air Temperature Sensor voltage is out of range low. Oil Pressure Sensor is closed when engine is not running (9640, 9560, 9660, 9580, 9680)Įngine Manifold Air Temperature Sensor is above 100☌ (9560-Engine Type C only)Įngine Manifold Air Temperature Sensor voltage is out of range high. Oil Pressure Sensor is open after engine rpm is above cranking speed

(9640, 9560, 9660, 9580, 9680)ĭuring starting, rail pressure is not developed after a short time cranking. The rail pressure drops too fast when the engine is motoring and the high pressure pump is off. E03 – Left Control Unit Diagnostic Trouble CodesĮngine Control Unit Diagnostic Trouble Codesįuel pressure too low – less than 80kPa / 11.6 PSI (9540)įuel Pressure Sensor (cc# 131) voltage out of range high – greater than 4 V DC (9640, 9560, 9660, 9580, 9680)įuel Pressure Sensor (cc# 131) voltage out of range low.E02 – Right Control Unit Diagnostic Trouble Codes.E01 – Header Control Unit Diagnostic Trouble Codes.E00 – Tailings Control Unit Diagnostic Trouble Codes.C03 – Cornerpost Control Unit Diagnostic Trouble Codes.C00 – Armrest Control Unit Diagnostic Trouble Codes.A00 – Engine Control Unit Diagnostic Trouble Codes.

John deere 550 dozer backhoe