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P0053 Diagnostic Trouble Code Discussion for November 2017

Heated Oxygen Sensor (Bank 1 Sensor 1) Heater Resistance

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Trouble Ticket Help Requests for DTC P0053
Help Request Posted
2009 Suzuki Swift+ 1.6L MIL Lamp on VIN: KL5TJ66E39
P0053: o2 b1s1 heater resistance range performance. came back next day with light on again check heater circuit resistance and found it below spec again. we did reset the learned heater resistance for the upstream o2. the temp here is around 0c and we keep having the resistance come in below spec. we are us...
November 30, 2017