DTC P2228:00: Notes

DTC P2228:00	BARO sensor circuit low input
DETECTION CONDITION	The PCM monitors input voltage from the BARO sensor. If the input voltage is below 1.95 V for 5 s , the PCM determines that 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. The DTC is stored in the PCM memory.
FAIL-SAFE FUNCTION	Fixes the barometric pressure for the engine control at 101.32 kPa {759.96 mmHg, 29.920 inHg} .
POSSIBLE CAUSE	BARO sensor (built-into PCM) malfunction PCM malfunction
SYSTEM WIRING DIAGRAM	-