DTC P0053: Ho2S Heater Resistance (Bank 1, Sensor 1)
WARNING: This page does not describe the selected car, but rather 25 other vehicles, including the 2013 Lincoln Navigator, 2013 Lincoln MKZ, 2013 Lincoln MKX, 2013 Lincoln MKT, and 2013 Lincoln MKS. However, it is still accessible from the selected car via links, so may be relevant.
DTC P0053: HO2S HEATER RESISTANCE (BANK 1, SENSOR 1)
| Description: | This DTC sets when the heater current requirements are too low or too high in the heated oxygen sensor (HO2S) heater control circuit. | ||
| Possible Causes: |
|
||
| Diagnostic Aids: | Inspect the connectors for signs of damage, water ingress, or corrosion. | ||
| Application | Key On Engine Off | Key On Engine Running | Continuous Memory |
| Fiesta, Transit Connect | GO to PINPOINT TEST DW . | ||
| All others | GO to PINPOINT TEST DZ . | ||