DTC CODES

PCode Code Brand Description
1078 11 1078 11 JOHN DEERE The Engine Control Unit detects a difference between the internal pump timing and engine speed. (9540)
1078 31 1078 31 JOHN DEERE The Pump Control Unit receives a crank signal from the Engine Control Unit that is extremely different than the internal timing within the Pump. Engine will be derated. (9540)
1079 03 1079 03 JOHN DEERE Sensor Supply Voltage (cc# 131) too high (greater than 4.95 V DC). (9540)
1079 04 1079 04 JOHN DEERE Sensor Supply Voltage (cc# 131) too low (less than 4.0 V DC). (9540)
1080 03 1080 03 JOHN DEERE Rail Pressure Sensor Power (cc# 721) voltage too high. (9640, 9560, 9660, 9580, 9680)
1080 04 1080 04 JOHN DEERE Rail Pressure Sensor Power (cc# 721) voltage too low. (9640, 9560, 9660, 9580, 9680)
1080 04 1080 04 JOHN DEERE Rail Pressure Sensor Power (cc# 721) voltage too low. (9540)
1110 31 1110 31 JOHN DEERE Propulsion system Stop to protect the engine.
1136 00 1136 00 JOHN DEERE Propulsion system The internal temperature of the engine control unit is high. Engine speed is limited.
1180 00 1180 00 JOHN DEERE Propulsion system The exhaust temperature is high. Engine power is limited. Reduce engine load and speed. Check the cooling system for contamination.