Code result
P2242
O2 Sensor Pumping Current Circuit High
High severity
What it means
The pumping-current line of the bank 2, sensor 1 wide-band oxygen sensor reads above the upper threshold. Common with a short to a positive supply or a damaged sensor amplifier in the ECU.
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
Pumping current line shorted to positive
highOne of the most commonly reported causes for this code — check this first.
Sensor internally shorted
mediumA plausible cause — test and verify before replacing parts.
Connector pins corroded - high contact resistance
lowLess common, but worth ruling out after the more likely causes.
Related help
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