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HO2S Heater Control Circuit Low (Bank 2 Sensor 2)
symptoms
Other than the MIL light illuminating you may not notice any performance issues.
cause
A short in the O2 sensor heater circuit or the sensor itself
A faulty O2 sensor heater
Wiring or connectors are broken or frayed to the sensor or relay
Bad PCM or ECM
The fix
Correct wiring short or loose connector found in inspection.
and/or
Replace the bank 2 sensor 2, O2 sensor
Replace PCM if circuit has failed and no wiring issues present, good O2 sensor
What else can I help you with?
You just replaced your 02 sensors because of a p0057 code and now you are getting a link error what do you do?
If you're experiencing a link error after replacing the O2 sensors due to a P0057 code, first ensure that all electrical connections are secure and free from corrosion. Next, clear the error codes using an OBD-II scanner and then take the vehicle for a test drive to see if the code returns. If the link error persists, check the wiring and connectors for any damage or shorts, and consider inspecting other related components in the exhaust or emissions system. If you're unable to resolve the issue, consulting a professional mechanic may be necessary.
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