DTC Detecting Condition and Trouble Area
WARNING: This page is about a different car, the 2007 Suzuki Grand Vitara. However, it is still accessible from the selected car via links, so may be relevant.
DTC DETECTING CONDITION TABLE
| DTC detecting condition | Trouble area |
|---|---|
| DTC P2255 O2 Sensor Negative Current Control Circuit Low (Sensor-1, Bank-2): Circuit voltage of A/F sensor (-) terminal is lower than 0.4 V with engine running. (1 driving cycle detection logic) DTC P2256 O2 Sensor Negative Current Control Circuit High (Sensor-1, Bank-2): Circuit voltage of A/F sensor (-) terminal is higher than 4.4 V with engine running (1 driving cycle detection logic) |
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