Causes and Fixes P2238 Code: O2 Sensor Positive Current Control Circuit Low Bank 1 Sensor 1
How to fix a P2238 Code: O2 Sensor Positive Current Control Circuit Low Bank 1 Sensor 1
A P2238 code is set when the computer (ECM/PCM) detects an issue with Bank-1 Sensor-1 oxygen sensor.
Causes include a bad 02 sensor, wiring, and possible computer problem.
Symptoms of a P2238 code include check engine light, reduced fuel efficiency, and poor engine performance.
Possible Causes of a P2238 Code:
Bad Oxygen Sensor
Oxygen Sensor Wiring (Open Short)
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