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Home >> Hyundai >> 2012 >> Genesis Coupe 2.0T, Automatic Trans >> Repair and Diagnosis (Single Page) >> Engine Performance >> System >> Engine Control System (DTC Troubleshooting) (1 Of 3) - 2.0L >> DTC P0134: O2 Sensor Circuit No Activity Detected (Bank 1 Sensor 1) >> DTC Description

DTC Description

  1. Signal amplitude plausibility error: In order to determine the signal amplitude plausibility, the ECM monitors front HO2S signal level from rich to lean and from lean to rich. The ECM sets DTC P0134, If the difference of the signal transition level is too small.
  2. Signal plausibility error during fuel cut-off: The ECM sets DTC P0134, if the HO2S (B1S1) signal is too high during fuel cut-off period for a predetermined time.
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