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DTC P2228: Notes

DTC P2228 (LF, L3) DETECTION CONDITION AND POSSIBLE CAUSES

DTC P2228 BARO sensor circuit low input
DETECTION CONDITION 
  • The PCM monitors input voltage from BARO sensor into the PCM. If input voltage is below 2.1 V (1) , 1.95 V (2) , PCM determines that BARO sensor circuit has malfunction. 

Diagnostic support note 
  • This is a continuous monitor (CCM).
  • The MIL illuminates if PCM detects the above malfunction condition during first drive cycle.
  • PENDING CODE is available if PCM detects the above malfunction condition.
  • FREEZE FRAME DATA is available.
  • DTC is stored in PCM memory.
POSSIBLE CAUSE 
  • BARO sensor malfunction
  • PCM malfunction
(1) California emission regulation applicable model
(2) Except for California emission regulation applicable model