DTC P2A01: O2 Circuit Range/Performance Bank 1, Sensor 2
WARNING: This page does not describe the selected car, but rather 32 other vehicles, including the 2011 Mercury Milan, 2011 Mercury Mariner, 2011 Mercury Grand Marquis, 2011 Lincoln Town Car, and 2011 Lincoln Navigator L. However, it is still accessible from the selected car via links, so may be relevant.
P2A01 - O2 CIRCUIT RANGE/PERFORMANCE BANK 1, SENSOR 2
| Description: | The powertrain control module (PCM) monitors the heated oxygen sensor (HO2S) for an out of range low voltage concern. This DTC sets if the HO2S voltage is out of range low for a calibrated period of time. | ||
| Possible Causes: |
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| Diagnostic Aids: | Inspect the connectors for signs of damage, water ingress, or corrosion. | ||
| Application | Key On Engine Off | Key On Engine Running | Continuous Memory |
| All | GO to PINPOINT TEST DW . | ||