Back to 2003 Suzuki Aerio

2003 SUZUKI AERIO

2.0L I4FWDAUTOMATICgas
2 active safety recalls on this vehicle — view recalls
Repairs0Labor588Torque568Fluid6DTC688Battery0Maintenance0Recalls2
P0110low severityPowertrain

Intake Air Temperature (IAT) Sensor 1 Circuit

on 2003 Suzuki Aerio 2.0L I4 · FWD

What this code means

General malfunction in the intake air temperature sensor circuit.

Symptoms

  • Check Engine Light
  • Poor fuel economy
  • Hard starting in cold weather
  • Incorrect idle speed

Common causes

  • Faulty IAT sensor
  • Wiring issue
  • Corroded connector
  • Sensor contaminated

Diagnostic steps

  1. Test IAT sensor resistance at known temperature
  2. Inspect wiring and connector
  3. Compare IAT reading to ECT at cold start

Repair notes

Replace IAT sensor or repair wiring.

Other Powertrain codes on this vehicle

Building an app?
Free API access to all this data — 50 requests/day, no card required.
Get an API key →
Run a shop?
Manage repairs, estimates, and customers with ShopBase — $249/mo, all features included.
Try ShopBase →