FixVault

DTC Detection Logic

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 sensor is sent to ECM.
  • Harness or connectors (The 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 sensor is sent to ECM.