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2014 MAZDA MAZDA3

2.5L I4FWDAUTOMATICgas
4 active safety recalls on this vehicle — view recalls
Repairs0Labor473Torque4924Fluid6DTC903Battery0Maintenance0Recalls4
P2112critical severityPowertrain

Throttle Actuator Control System Stuck Closed

on 2014 Mazda Mazda3 2.5L I4 · FWD

What this code means

The electronic throttle blade is stuck closed or not opening when commanded.

Symptoms

  • No acceleration
  • Engine stalls
  • Check engine light
  • Vehicle won't move

Common causes

  • Seized throttle plate
  • Motor failure
  • Severe carbon buildup
  • Ice/frost binding

Diagnostic steps

  1. Inspect throttle blade movement
  2. Clean throttle body
  3. Check motor operation

Repair notes

Clean or replace throttle body assembly.

Other Powertrain codes on this vehicle

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