Code result
P22B5
O2 Sensor Pumping Current Trim Circuit/Open
High severity
What it means
This code indicates o2 sensor pumping current trim circuit/open (bank 1 sensor 2). It relates to the throttle actuator / turbocharger / boost control and may affect performance, emissions, or drivability depending on the exact failure.
Is it safe to drive?
No — stop driving
This code points to a problem that can cause damage or affect safety. Avoid driving and have the vehicle diagnosed promptly.
Most likely causes
Faulty sensor or actuator
mediumThe component monitored by this code may be worn, failed, or reading out of range.
Wiring or connector issue
mediumCorroded, damaged, or loose connections can cause circuit or signal faults.
Related component failure
mediumA problem in an upstream system can cause this code to set.
Related help
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