P0243

Turbocharger Wastegate Solenoid A Malfunction

DTC P0243, sometimes indicated as P024300 is an OBD diagnostic trouble code indicating a generic fault with the vehicle powertrain (i.e. engine and gearbox). This code identifies an error with the air/fuel mixture causing turbocharger wastegate solenoid a malfunction.

The Turbocharger Wastegate Solenoid A Malfunction code is caused by a problem with the turbocharger's wastegate solenoid. This solenoid controls the flow of exhaust gases to the turbocharger, and when it malfunctions, it can cause the turbocharger to overspeed.
There are several possible causes of this code, including a defective solenoid, a leak in the exhaust system, or a problem with the turbocharger itself. The solenoid can be replaced, and any leaks in the exhaust system should be repaired. If the turbocharger is defective, it will need to be replaced.

  • P0243: Turbocharger Wastegate Solenoid A Malfunction
  • P0243: Turbocharger/Supercharger Wastegate Solenoid "A"
  • P0243: Turbo/Sup Wastegate Solenoid A Malfunction
  • P0243: Supercharger (SC) bypass valve A – circuit malfunction
  • P0243: Turbocharger (TC) wastegate regulating valve A – circuit malfunction
  • P0243 00: B pressure sensor - sporadic fault
  • P0243 00: Supercharger (SC) bypass valve A - circuit malfunction
  • P0243 00: Turbocharger (TC) wastegate regulating valve A - circuit malfunction

DTC Trouble Code Search
Bulletins

Bulletins are notices put out by manufacturers in conjunction with the NHTSA to notify the public of manufacturing issues or changes.

  • T-TT-0681-22 Rev - BACK OVER PREVENTION
    TOYOTA: Tt: some 2022 my tundra vehicles, may experience a mil on condition with one or more of the following dtc(s): ?Dtc P024300 turbocharger/supercharger wastegate actuator "a" ?Dtc P024700 turbocharger/supercharger wastegate actuator "b"
  • 000075 - ENGINE AND ENGINE COOLING:ENGINE
    MERCEDES BENZ: Lack of engine performance with obd code P2038/P0243 (charge air pressure too low) in the sim4 engine management and/or oil in the intake manifold, compressor and/or oil separator from the crankcase ventilation. *tt
  • 000075 - ENGINE AND ENGINE COOLING:ENGINE
    MERCEDES BENZ: Lack of engine performance with obd code P2038/P0243 (charge air pressure too low) in the sim4 engine management. *tt
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