Suzuki Vitara (LY) 2016-2017 · Service Manual K14C · Diagnostic Information and Procedures

DTC P2228 / P2229

Precautions: General safety (00)

DTC Detecting Condition and Trouble Area
DTC detecting condition Trouble area
P2228: Barometric Pressure Sensor “A” Circuit Low
Barometric pressure sensor signal voltage is lower than specified value for specified time.
(1 D/C detection logic)
Barometric pressure sensor in ECM
P2229: Barometric Pressure Sensor “A” Circuit High
Barometric pressure sensor signal voltage is higher than specified value for specified time.
(1 D/C detection logic)
DTC Confirmation Procedure
1)Set ignition “ON” for 1 min.
DTC Troubleshooting
Step Action Yes No
1
Was “Engine and Emission Control System Check” performed?
Go to Step 2.
2
ECM power supply and ground circuit check
1)Check ECM power supply and ground circuits. icon 
Is check result OK?
Replace ECM and recheck DTC. icon 
Repair ECM power supply and ground circuits.