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2015 JEEP CHEROKEE
3.2L V6•AWD•AUTOMATIC•gas
11 active safety recalls on this vehicle — view recalls
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Repairs0Labor987Torque6853Fluid17DTC2320Battery2Maintenance0Recalls11
P0112low severityPowertrain

IAT Sensor 1 Circuit Low Input

on 2015 Jeep Cherokee 3.2L V6 · AWD

What this code means

The IAT sensor circuit voltage is lower than expected, indicating a very high temperature or short.

Symptoms

  • Check Engine Light
  • Rich fuel mixture
  • Poor economy

Common causes

  • Short to ground in IAT circuit
  • Faulty sensor
  • Water intrusion in connector

Diagnostic steps

  1. Test sensor resistance
  2. Check for shorts to ground
  3. Inspect connector for moisture

Repair notes

Repair short or replace sensor.

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