Back to 2016 Cadillac ATS

2016 CADILLAC ATS

2.5L I4RWDAUTOMATICgas
2 active safety recalls on this vehicle — view recalls
Repairs0Labor505Torque4920Fluid7DTC960Battery0Maintenance0Recalls2
P0111low severityPowertrain

IAT Sensor 1 Circuit Range/Performance

on 2016 Cadillac ATS 2.5L I4 · RWD

What this code means

The IAT sensor reading is not within the expected range for current conditions.

Symptoms

  • Check Engine Light
  • Incorrect fueling
  • Poor cold start

Common causes

  • Sensor in wrong location
  • Heat-soaked sensor
  • Contaminated sensor element

Diagnostic steps

  1. Compare IAT to ambient temp at cold start
  2. Check sensor location
  3. Inspect for heat sources near sensor

Repair notes

Replace or relocate IAT sensor.

Other Powertrain codes on this vehicle

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