Check the 'Possible Causes' listed above. Visually inspect the related wiring harness and connectors. Check for damaged components and look for broken, bent, pushed out, or corroded connector pins.
The cost to diagnose the B1244 Toyota code is 1.0 hour of labor. The diagnosis time and labor rates at auto repair shops vary depending on the location, make and model of the vehicle, and even the engine type. Most auto repair shops charge between $75 and $150 per hour.
The automatic light control sensor detects ambient light, converts it into an electrical signal, and outputs it to the main body ECU (Multiplex Network Body ECU). The main body ECU (Multiplex Network Body ECU) turns the headlights and taillights on or off according to the signal.
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