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Home/DTC Codes/Mazda/CX-3/2016-2021 2.0L I4/P2112
P2112

Throttle Actuator Control System Stuck Closed

2016-2021 Mazda CX-3 2.0L I4

Critical SeverityPowertrainGeneric (SAE)

Description

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.

Related Codes

P2111Throttle Actuator Control System Stuck Open

Other Powertrain Codes

P2112 on Other Vehicles

Mazda 626

1993-1997 2.0L I4

Mazda 626

1993-1997 2.5L V6

Mazda 626

1998-2002 2.0L I4

Mazda 626

1998-2002 2.5L V6

Mazda Axela

2013-2019 1.5L I4 P5-VPS

Mazda Axela

2013-2019 2.2L I4 Diesel SH-VPTS

Mazda B2300

1994-1997 2.3L I4

Mazda B2300

2002-2009 2.3L I4

Common Questions

What does code P2112 mean on a 2016-2021 Mazda CX-3?

P2112 stands for "Throttle Actuator Control System Stuck Closed". The electronic throttle blade is stuck closed or not opening when commanded.

What are the symptoms of P2112 on a Mazda CX-3?

Common symptoms of P2112 include: No acceleration, Engine stalls, Check engine light, Vehicle won't move.

What causes P2112 on a 2016-2021 Mazda CX-3?

Common causes of P2112 include: Seized throttle plate, Motor failure, Severe carbon buildup, Ice/frost binding.

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