codes P0036 & P0141 come up on scan tool O2 sensor heater circuit malfunction bank 1 sensor2 my question is where is this

Asked by Jul 24, 2014 at 12:02 AM about the 2003 Cadillac CTS

Question type: Maintenance & Repair

These codes come up P0141 & P0036 check engine light is on and I need to get car smog done .I can not find any information in my repair manual.

4 Answers

77,845

As both codes are for the same sensor you need to check the O2 sensor fuses to see if they are blown, if not then you need to check the wiring and connector to the O2 sensor that are towards the rear of the catalytic converters, most likely the O2 sensor is bad but you still need check. And usually if one sensor is bad it won't be long before another goes out, you might consider just replacing both aft sensors while your there.

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10

The code p00496 for a 2005 Cadillac CTS what does it mean?? & how do I replace the part??

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10

I don't know!!

77,845

P00496 is not a viable code.

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