P047C

Exhaust pressure sensor B - circuit low

P047A

Exhaust pressure sensor B circuit

P0479

Exhaust pressure control valve intermittent

P0478

Exhaust pressure control valve high

P0477

Exhaust pressure control valve low

P0476

Exhaust pressure control valve range/performance

P0475

Exhaust pressure control valve

P0474

Exhaust pressure sensor A - circuit intermittent/erratic

P0473

Exhaust pressure sensor A - circuit high

P0471

Exhaust pressure sensor A - circuit range/performance