FixVault

DTC B1244 Light Sensor Circuit Malfunction: Description

WARNING: This page is about a different car, the 2008 Toyota Tundra. However, it is still accessible from the selected car via links, so may be relevant.

This DTC is output when a failure of the automatic light control sensor circuit is detected.

DTC TROUBLE DETECTION CONDITION CHART

DTC Code DTC Detection Condition Trouble Area
B1244 When either condition below is met:
  • Malfunction of light sensor
  • Open or short of light sensor circuit
  • Automatic light control sensor
  • Harness or connector
  • Main body ECU