P1423 — Volkswagen: Secondary Air Injection System Bank 1 Flow Too Low

Code breakdown

Manufacturer-specific meanings (Volkswagen)

• Fiat
  Prova funzionale accensione gas di scarico
• BuickCadillacChevroletChryslerGMGMCOldsmobilePlymouthPontiacSaturn
  Intake Air High Pressure Switch Circuit High Voltage
• Subaru
  EVAP Vent Control High Input
• Volkswagen
  Secondary Air Injection System Bank 1 Flow Too Low

Related codes

• P1400 — Manufacturer-specific fault code
• P1400-bmw — Heated Catalyst Battery Voltage or Current Too Low During Heating Bank 1
• P1400-fiat — Input basso circuito EGR ritorno pressione differenziale o comando posizione valvola ricircolo gas di scarico
• P1400-ford — Differential Pressure Feedback Electronic Sensor Circuit Low Voltage
• P1400-jaguar — Exhaust Gas Recirculation Valve Postion Control
• P1400-lexus — Sub-TP Sensor Malfunction

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