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S4 Automatic DCT
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Section 210 (Diagnostic Trouble Code (DTC) Detecting Criteria (H4DO))
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Diagnostic Trouble Code (DTC) Detecting Criteria
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DTC P0037 Ho2S Heater Control Circuit Low (Bank 1 Sensor 2)
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Component Description
Component Description
WARNING:
This page is about a different car, the 2012 Subaru Forester. However, it is still accessible from the selected car via links, so may be relevant.
Fig 1: Rear Oxygen (A/F) Sensor Voltage On Off Pattern
Courtesy of SUBARU OF AMERICA, INC.