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Home/DTC Codes/Mazda/CX-3/2016-2021 2.0L I4/P0243
P0243

Turbocharger/Supercharger Wastegate Solenoid A

2016-2021 Mazda CX-3 2.0L I4

Moderate SeverityPowertrainGeneric (SAE)

Description

Malfunction in the wastegate solenoid A.

Symptoms

  • Check Engine Light
  • Overboosting or underboosting
  • Limp mode

Common Causes

  • Faulty wastegate solenoid
  • Wiring damage
  • Stuck wastegate

Diagnostic Steps

  1. Test solenoid resistance
  2. Check wiring
  3. Inspect wastegate

Repair Notes

Replace wastegate solenoid.

Related Codes

P0234Turbocharger/Supercharger A Overboost ConditionP0244Turbocharger/Supercharger Wastegate Solenoid A Range/Performance

Other Powertrain Codes

P0243 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 P0243 mean on a 2016-2021 Mazda CX-3?

P0243 stands for "Turbocharger/Supercharger Wastegate Solenoid A". Malfunction in the wastegate solenoid A.

What are the symptoms of P0243 on a Mazda CX-3?

Common symptoms of P0243 include: Check Engine Light, Overboosting or underboosting, Limp mode.

What causes P0243 on a 2016-2021 Mazda CX-3?

Common causes of P0243 include: Faulty wastegate solenoid, Wiring damage, Stuck wastegate.

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