TrailBlazer 2002-2009
The TrailBlazer, originally introduced as an upscale Blazer, was produced from 2002 to 2008 with a powerful I6 engine and with a monster V8 offered in the Trailblazer SS
Platform: GMT 305, 360, & 370.

obd p0053 and p0135

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Old September 5th, 2009, 3:36 PM
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Default obd p0053 and p0135

Hi I am receiving codes p0053 and p0135. These have to do with the o2 heater I believe. Does anyone know how serious this is or how hard to fix. Any info would be appreciated. Thanks
Old September 5th, 2009, 9:24 PM
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99% of the time heater codes will require a replacement o2 sensor.
Old September 7th, 2009, 3:13 PM
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Thanks
Doesn't look too hard.
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