P1674
Control module software corrupted
P1671
Environmental box fan malfunction high failure
P1670
Environmental box fan malfunction low failure
P1669
Injection pump control module monitoring engine control module…
P1668
Powertrain control module/ignition diagnostic monitor communications…
P1667
Cylinder identification circuit
P1666
Injection pump control module/engine control module crank reference…
P1665
Injection pump control module communications
P1664
Injection pump control module malfunction
P1663
Fuel demand command signal output circuit