P0054 - Ho2S Heater Resistance (Bank 1, Sensor 2)
WARNING: This page is about a different car, the 2007 Mercury Mariner and 2007 Ford Escape. However, it is still accessible from the selected car via links, so may be relevant.
P0054 - HO2S HEATER RESISTANCE (BANK 1, SENSOR 2)
| Description: | Heater amperage requirements too low or high in heater control circuit (bank 1, sensor 2). | |||
| Possible Causes: | See the possible causes for DTC P0135. | |||
| Diagnostic Aids: | See the diagnostic aids for DTC P0135. | |||
| Application | Key On Engine Off | Key On Engine Running | Continuous Memory | |
| All | refer to PINPOINT TEST DW . | |||