Causes and Fixes P2237 Code: O2 Sensor Positive Current Control Circuit / Open Bank 1 Sensor 1
How to fix P2237 Code: O2 Sensor Positive Current Control Circuit / Open Bank 1 Sensor 1
A P2237 code is set when the computer (ECM/PCM) detects inconsistent signals from the oxygen sensor on bank-1 side of the engine.
Causes include a faulty oxygen sensor, exhaust leaks, wiring issues, or a computer failure can trigger the P2237 code.
Possible Causes P2237 Code:
Bad Bank 1 Sensor 1 Oxygen Sensor
02 Sensor Wiring issue
By using this information user assumes all risk of use.