P20C3
Reductant heater C control - Circuit low
P20C2
Reductant heater C control - Performance
P20C1
Reductant heater C control - Open circuit
P20C0
Reductant heater B control - Circuit high
P20BF
Reductant heater B control - Circuit low
P20BE
Reductant heater B control - Performance
P20BD
Reductant heater B control - Open circuit
P20BC
Reductant heater A control - Circuit high
P20BB
Reductant heater A control - Circuit low
P20B9
Reductant heater A control - Open circuit