P2251 - O2 Sensor Negative Current Control Circuit/Open (Bank 1 Sensor 1)
DTC DESCRIPTION P2251 - O2 SENSOR NEGATIVE CURRENT CONTROL CIRCUIT/OPEN (BANK 1 SENSOR 1)
| Description: | This DTC sets when a concern is detected 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. | ||