DTC P2237: O2 Sensor Positive Current Control Circuit Open - Bank 1, Sensor 1
WARNING: This page does not describe the selected car, but rather 25 other vehicles, including the 2012 Lincoln Navigator L, 2012 Lincoln Navigator, 2012 Lincoln MKZ, 2012 Lincoln MKX, and 2012 Lincoln MKT. However, it is still accessible from the selected car via links, so may be relevant.
P2237 - O2 SENSOR POSITIVE CURRENT CONTROL CIRCUIT OPEN - BANK 1, SENSOR 1
| Description: This DTC sets when the PCM detects a concern with the circuit used to determine the oxygen content in the exhaust gas. | |||
Possible Causes:
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| Diagnostic Aids: | |||
| Application | Key On Engine Off | Key On Engine Running | Continuous Memory |
| All | GO to PINPOINT TEST DZ . | ||