P1929

Fuel additive pump control - circuit performance

P1928

Fuel additive pump control - circuit/open

P1927

Fuel additive level - too low/empty

P1926

Fuel additive level - circuit intermittent/erratic

P1925

Fuel additive level - circuit high

P1924

Fuel additive level - circuit low

P1923

Fuel additive level - circuit range/performance

P1922

Fuel additive level - circuit

P1921

Transmission range signal

P1919

Engine coolant temperature signal