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Home >> Suzuki >> 2007 >> SX4 Base, Standard >> Repair and Diagnosis >> Engine Performance >> Engine Control Systems >> Engine General Information And Diagnosis >> Diagnostic Information and Procedures >> DTC P2227 / P2228 / P2229: Barometric Pressure Circuit Performance / Low / High (Non-EVAP-Leak-Check Model) >> DTC Troubleshooting
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DTC Troubleshooting

DTC TROUBLESHOOTING CHART

Step Action YES NO
Was "Engine and Emission Control System Check" performed?  Go to Step 2. Go to ENGINE AND EMISSION CONTROL SYSTEM DESCRIPTION .
DTC check 
Is there any DTC(s) other than P2227, P2228 and P2229? 
Go to applicable DTC diag. flow. Substitute a known good ECM and recheck.