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P24BB - EVAP System Leak Detection Pump Pressure Sensor Circuit High

DTC DESCRIPTION P24BB - EVAP SYSTEM LEAK DETECTION PUMP PRESSURE SENSOR CIRCUIT HIGH

Description:  This DTC sets when the evaporative emission (EVAP) leak detection control module pressure sensor signal is greater than a maximum allowable calibrated parameter.
Possible Causes: 
  • EVAPLDPPR circuit short to voltage
  • VREF circuit short to voltage
  • SIGRTN circuit open
  • Damaged EVAP leak detection control module
Diagnostic Aids:   
Application  Key On Engine Off  Key On Engine Running  Continuous Memory 
All GO to Pinpoint Test HX.
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