FixVault

DTC P2227 Barometric Pressure Circuit Range/Performance: DTC Detecting Condition

DTC DETECTING CONDITION AND POSSIBLE CAUSES

Item Detecting Condition Possible Cause
DTC Strategy
  • Rationality check
  • Clog at the sensing hole
  • ECM/PCM
Case1 Threshold Value
  • Ambient pressure < 500 Or > 1150 kPa
Diagnostic Time
  • 2 sec
Case2 Enable Conditions
  • Difference of ambient pressure between measured and modeled > 200 kPa
Threshold Value
  • Difference of ambient pressure between current and last driving cycle > 100 kPa
Diagnostic Time
  • 2 sec
MIL ON Condition
  • 2 driving cycle