P2271-00 - O2 Sensor Signal Biased-Stuck Rich Bank 1 Sensor 2: Notes

NOTE:

The Scan Tool may display the description name of this Diagnostic Trouble Code differently with the following below:

P2271-00 - O2 SENSOR 1/2 SIGNAL BIASED RICH

For a complete CATALYST MONITOR SYSTEM wiring diagram, refer to the appropriate Wiring Information .