P1421 — Chrysler: Intake Air Low Pressure Switch Circuit High Voltage

Code breakdown

Manufacturer-specific meanings (Chrysler)

• Fiat
  Danneggiamento catalizzatore
• BuickCadillacChevroletChryslerGMGMCOldsmobilePlymouthPontiacSaturn
  Intake Air Low Pressure Switch Circuit High Voltage
• BMW
  Secondary Air System Bank 1
• Subaru
  Exhaust Gas Recirculation Circuit High Input
• Volkswagen
  Secondary Air Injection Valve Circuit Short To Ground

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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