FixVault

DTC Detection Logic

DTC DETECTING CONDITION CHART

DTC No. Trouble diagnosis name (Trouble diagnosis content) DTC Detecting Condition Possible Cause
P0197 EOT SEN/CIRC
(Engine oil temperature sensor circuit low input)
An excessively low voltage from the engine oil temperature sensor is sent to ECM.
  • Harness or connectors (EOT sensor circuit is open or shorted.)
  • Engine oil temperature sensor
P0198 EOT SEN/CIRC
(Engine oil temperature sensor circuit high input)
An excessively high voltage from the engine oil temperature sensor is sent to ECM.