DTC P2629 - O2 Sensor Positive Current Trim Circuit/Open (Bank 2 Sensor 1)
WARNING: This page does not describe the selected car, but rather 26 other vehicles, including the 2020 Lincoln Navigator, 2020 Lincoln Nautilus, 2020 Lincoln MKZ, 2020 Lincoln Corsair, and 2020 Lincoln Continental. However, it is still accessible from the selected car via links, so may be relevant.
DTC DESCRIPTION P2629 - O2 SENSOR POSITIVE CURRENT TRIM CIRCUIT/OPEN (BANK 2 SENSOR 1)
| Description: | During deceleration fuel shut-off (DFSO) the PCM monitors the integrity of the UO2SPCT2circuit by comparing the actual oxygen sensor voltage signal to an expected oxygen sensor voltage signal. This DTC sets when the actual oxygen sensor voltage exceeds the maximum expected voltage threshold for a specified amount of time. | ||
| Possible Causes: |
|
||
| Diagnostic Aids: | |||
| Application | Key On Engine Off | Key On Engine Running | Continuous Memory |
| All | GO to PINPOINT TEST DZ . | ||