Code result
P22C2
O2 Sensor Pumping Current Trim Circuit/Open
High severity
What it means
The pumping current trim line on bank 2 sensor 2 is open. The trim is the per-sensor calibration code that adjusts pumping current to compensate for production tolerances.
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
Open trim line
highOne of the most commonly reported causes for this code — check this first.
Pin pushed back out of connector body
lowLess common, but worth ruling out after the more likely causes.
Cracked solder joint inside the module or sensor
lowLess common, but worth ruling out after the more likely causes.
Related help
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