DTC P2237: O2 Sensor Positive Current Control Circuit Open - Bank 1, Sensor 1
P2237 - O2 SENSOR POSITIVE CURRENT CONTROL CIRCUIT OPEN - BANK 1, SENSOR 1
| Description: | The powertrain control module (PCM) monitors the universal heated oxygen sensor (HO2S) for a circuit concern. 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 . | ||