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Home >> Suzuki >> 2011 >> Grand Vitara Base >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System Diagnosis >> Diagnostic Information and Procedures >> DTC P2227: Barometric Pressure Circuit Performance ; P2228: Barometric Pressure Circuit Low; P2229: Barometric Pressure Circuit High (Non-EVAP-Leak-Check Model) >> DTC Troubleshooting
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DTC Troubleshooting

P2227, P2228, P2229 DIAGNOSIS PROCEDURE

Step Action YES NO
1  Was "Engine and Emission Control System Check" performed?  Go to Step 2. Go to ENGINE AND EMISSION CONTROL SYSTEM CHECK:J24B .
2  DTC check 
Is there any DTC(s) other than P2227, P2228 and P2229? 		 Go to applicable DTC (s). Substitute a known good ECM and recheck.
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