How to reset Porsche 997 Check Engine light on

One Porsche 997 2009 year with 52 thousands KM, the driver owner described: the check engine light always on.This article share the way to reset Porsche 997 Engine light on.

How-to-reset-Porsche-997-Check-Engine-light-on

Trouble diagnosis: I connect Porsche Piwis Tester 2 to the vehicle and read out these trouble codes:

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P0171: System too Lean (Bank 1)

P2195:  O2 Sensor Signal Stuck Lean Bank 1 Sensor 1

P2414: O2 Sensor Exhaust Sample Error Bank 1 Sensor 1; V424 received from the HVAC control unit data is invalid; V0101 Communication transmission control unit.

P1628:  Transmission control unit communication

P1619: Communication transmission control unit

Read out the real data: as the real data described, the  Professional Diagnostic Tool O2 Sensor Bank 1 display mixture too lean, the fuel close to idling of Bank 1 correct adapt (RKAT) to 3%, O2 Sensor 1 still display mixture too lean (as the following table shows), so the control unit display the above-mentioned trouble codes.

Table 1

Porsche-PIWIS-II-2-table

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