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DTC P2229-00: BARO Sensor Circuit High Input: Notes

WARNING: This page is about a different car, the 2016 Mazda CX-5. However, it is still accessible from the selected car via links, so may be relevant.
DTC P2229:00 BARO sensor circuit high input
DETECTION CONDITION 
  • The PCM monitors input voltage from the BARO sensor. If the input voltage is above the specified value for 5 s  , the PCM determines that the BARO sensor circuit has a malfunction.

    Diagnostic support note 

  • This is a continuous monitor (CCM).
  • The check engine light illuminates if the PCM detects the above malfunction condition during the first drive cycle.
  • FREEZE FRAME DATA (Mode 2)/Snapshot data is available.
  • DTC is stored in the PCM memory.
FAIL-SAFE FUNCTION 
  • Fixes the barometric pressure for the engine control at 101.32 kPa {1.0332 kgf/cm 2  , 14.695 psi}. 
POSSIBLE CAUSE 
  • BARO sensor (built-into PCM) malfunction
  • PCM malfunction
System Wiring Diagram  Not applicable
CAUTION:
  • Verify the malfunction symptom according to not only the PID value but also the symptom troubleshooting.
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