C4 VTS - p0135 o2 sensor heater circuit bank 1 sensor 1

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lancia58
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C4 VTS - p0135 o2 sensor heater circuit bank 1 sensor 1

Post by lancia58 »

Hi

I got the fault "p0135 o2 sensor heater circuit bank 1 sensor 1" in my petrol C4 VTS 2.0 16V 177. I cleared the fault and for now it does not appear but I guess it is a matter of time till it will reappear. What is the cuase for the fault

Thanks
Zohar
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GiveMeABreak
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Re: C4 VTS - p0135 o2 sensor heater circuit bank 1 sensor 1

Post by GiveMeABreak »

P0135: Upstream oxygen sensor heating control: Short circuit to earth or short circuit to positive or open circuit. So you probably need to check the upstream sensor connections or consider replacing it if it is faulty.
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