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DTC P0243: Turbocharger/Supercharger WASTEGATE Solenoid A

P0243 - TURBOCHARGER/SUPERCHARGER WASTEGATE SOLENOID A

Description:  The powertrain control module (PCM) monitors the supercharger bypass (SCB) solenoid circuit for an electrical failure. The test fails when the signal moves outside the minimum or maximum allowable calibrated parameters for a specified SCB solenoid duty cycle (100% or 0%) by PCM command.
Possible Causes: 
  • VPWR circuit open to SCB solenoid
  • SCB solenoid circuit shorted to PWR GND or CHASSIS GND
  • Damaged SCB solenoid
  • SCB solenoid circuit open
  • SCB solenoid circuit shorted to VPWR
Diagnostic Aids:  With the test lamp connected to the SCB solenoid harness connector, cycle the solenoid on and off using output state control (OSC). If the test lamp cycles on and off the SCB solenoid is a suspect. If the test lamp is always on suspect the SCB solenoid driver circuit for short to ground.
Application  Key On Engine Off  Key On Engine Running  Continuous Memory 
All GO to Pinpoint Test KJ .
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