VCLEFT-A312
VCLEFT_a312_leftTailLightFault
What does VCLEFT-A312 mean?
Tesla alert code in the Vehicle Controller Left (VCLEFT) module. A fault has been detected with the left body-side tail light. The light is plugged in, draws current when on, and its efuse is not tripped. The left body-side tail light may not be working. Electronic Parking Brake Monitor measured more current than is required for Electronic Parking Brake to remain in DYNAMIC_APPLYING. FL ride height sensor detected shorted or otherwise faulty. n/a to North American or Air Suspension eqiupped vehicles. FL ride height sensor input pin shorted; input signal frequency above 840 Hz or below 760 Hz; input duty cycle above 87.5% or below 12.5%; input duty cycle changing too quickly (3300% / sec) Proper connection of a working FL ride height sensor. Electronic Parking Brake Monitor's and Electronic Parking Brake's state have been mismatched for too long a time.
Original Description
A fault has been detected with the left body-side tail light. The light is plugged in, draws current when on, and its efuse is not tripped. The left body-side tail light may not be working. Electronic Parking Brake Monitor measured more current than is required for Electronic Parking Brake to remain in DYNAMIC_APPLYING. FL ride height sensor detected shorted or otherwise faulty. n/a to North American or Air Suspension eqiupped vehicles. FL ride height sensor input pin shorted; input signal frequency above 840 Hz or below 760 Hz; input duty cycle above 87.5% or below 12.5%; input duty cycle changing too quickly (3300% / sec) Proper connection of a working FL ride height sensor. Electronic Parking Brake Monitor's and Electronic Parking Brake's state have been mismatched for too long a time.
Severity Notes
VCLEFT-A312 is an Alert in the Vehicle Controller Left system. It is generally safe to continue driving, but have it checked at your next scheduled service.