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2017 JEEP CHEROKEE

2.4L I4•4WD•AUTOMATIC•gas
6 active safety recalls on this vehicle — view recalls
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Repairs0Labor1128Torque7488Fluid18DTC1844Battery0Maintenance0Recalls6
P0112low severityPowertrain

IAT Sensor 1 Circuit Low Input

on 2017 Jeep Cherokee 2.4L I4 · 4WD

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.

Other Powertrain codes on this vehicle

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