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P1166 Ho2S (B2) (S1) Heater Failure

Old 03-05-2012, 06:09 PM
Thread Starter
Join Date: Mar 2012
Posts: 1
Default P1166 Ho2S (B2) (S1) Heater Failure

(New here, sorry if I posted in wrong forum.)

Model : 2002 Honda Accord Odometer : 108K

Check Engine light is ON. Scanned with CanOBD2 diagnosis tool. It shows P1166 Ho2S (B2) (S1) Heater Failure. I googled a bit and found out that my O2 sensor is not working.

What needs to be done? Oddly, my last car 98 Toyota Camry also had this issue. Is this just coincidence or somehow relates to driving habit?

Thank you
Old 05-11-2016, 08:39 PM
Join Date: May 2016
Posts: 1

i have 2001 honda civic ex and I change the motor for a 2004 and I get the code p0135
and replase the oxigen sensor bank 1 and still i get the same code
Old 05-12-2016, 04:02 PM
JimBlake's Avatar
Super Moderator
Join Date: May 2006
Location: Wisconsin
Posts: 17,299

That's for the heater inside the O2 sensor. But the problem can also happen in the car's wiring that connects to the heater circuit. What measuring did you do after reading that code?
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