P0054 Diagnostic Trouble Code Discussion for October 2008
Heated Oxygen Sensor (Bank 1 Sensor 2) Heater Resistance
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| Help Request | Posted | |
| 2005 GMC Envoy SLE 4.2L MIL Lamp on VIN: 1GKDT13S95 P0054: Heated Oxygen Sensor (Bank 1 Sensor 2) Internal Heater Resistance. Code in system is P0054 for rear oxygen sensor heater resistance. Customer originally went to Auto Zone where they read the code & told them they needed a rear oxygen sensor. Customer replaced it & disconnected battery to clear code. The next day the l... |
October 22, 2008 |
