P2243 - O2 Sensor Reference Voltage Circuit Open - Bank 1, Sensor 1 - DTC Chart
P2243 - O2 SENSOR REFERENCE VOLTAGE CIRCUIT OPEN - BANK 1, SENSOR 1 - DTC CHART
| 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 . | ||