Back to 2018 Mazda Mazda3

2018 MAZDA MAZDA3

2.5L I4FWDAUTOMATICgas
4 active safety recalls on this vehicle — view recalls
Repairs0Labor473Torque4924Fluid6DTC917Battery0Maintenance0Recalls4
P0071low severityPowertrain

Ambient Air Temperature Sensor Range/Performance

on 2018 Mazda Mazda3 2.5L I4 · FWD

What this code means

The ambient air temperature sensor reading is out of expected range or not changing appropriately.

Symptoms

  • Incorrect temp reading
  • Climate control issues

Common causes

  • Sensor mounted near heat source
  • Sensor contaminated
  • Intermittent connection

Diagnostic steps

  1. Compare sensor reading to known temperature
  2. Check sensor location
  3. Inspect connector

Repair notes

Relocate or replace sensor.

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 →