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