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2004 DODGE CARAVAN
3.3L V6•FWD•AUTOMATIC•gas
8 active safety recalls on this vehicle — view recalls
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Repairs0Labor481Torque3314Fluid7DTC1736Battery1Maintenance0Recalls8
P1191moderate severityPowertrain

Inlet Air Temperature Sensor Circuit

on 2004 Dodge Caravan 3.3L V6 · FWD

What this code means

The PCM detected a fault in the inlet air temperature sensor circuit. Similar to generic P0110 for intake air temp issues.

Symptoms

  • Check engine light on
  • Poor fuel economy
  • Rough running

Common causes

  • Faulty IAT sensor
  • Damaged wiring or connector
  • Corroded sensor terminals
  • Faulty PCM

Diagnostic steps

  1. Scan for stored codes
  2. Check IAT sensor connector and wiring
  3. Measure sensor resistance vs temp
  4. Compare readings with scan tool data
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Other Powertrain codes on this vehicle

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🔧 Database maintained under the daily editorial review of Chris Hackleman · Master Technician · 20+ years. Spot an error? Use the Help link above — a human reads every report.
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