DTC P0053: Ho2S Heater Resistance (Bank 1, Sensor 1)
WARNING: This page is about a different variant/trim than selected.
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:
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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 |
| E-Series 6.8L, Escape 2.5L Manual Transmission, Fiesta, Fusion 3.5L, Fusion 2.5L Manual Transmission, MKZ, Transit Connect |
GO to PINPOINT TEST DW . | ||
| All others | GO to PINPOINT TEST DZ . | ||