FixVault

DTC P2196: Ho2S Signal Stuck Rich-Bank 1, Sensor 1: DTC Detecting Condition

DTC DETECTING CONDITION

Item Detecting Condition Possible Cause
DTC Strategy
  • Sensor characteristic line shifted to Rich
  • Contact resistance in connectors
  • Front HO2S
Enable Conditions
  • No relevant failure
  • No misfire detected
  • Fuel Trim control active
Threshold Value
  • When PCM recognizes rich shift of front HO2S
Diagnostic Time
  • Approx. 1300 sec.