Help with: oxygen lambda sensor & implausible signal from key

slizza786

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Hi All,

My wife's A3 cabriolet 2.0 TDI showed 2 faults after a scan:

008598 - Oxygen (Lambda) Sensor B1 S1
P2196 - 000 - Signal too High (Rich) - Intermittent - MIL ON
Freeze Frame:
Fault Status: 10100000
Fault Priority: 2
Fault Frequency: 1
Reset counter: 255
Mileage: 160727 km
Time Indication: 0
Date: 2019.08.03
Time: 16:53:47

Freeze Frame:
RPM: 1748 /min
Speed: 92.0 km/h
Lambda: 52.1 %
Mass Air / Rev.: 565.0 mg/str
Voltage: 0.750 V
(no units): 16.0
Voltage: 0.975 V

Readiness: 1 1 0 0 0



And



001176 - Key
008 - Implausaible Signal - Intermittent


Are these a difficult DIY? Anyone with knowledge on how to fix them? I'm guessing the key fault may just be a low charge of its battery.

Thanks in advance.


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