EFUSE-W156
EFUSE_w156_12VTempSensShort
What does EFUSE-W156 mean?
Tesla warning code in the Electronic Fuse (EFUSE) module. The temperature sensor for the 12V battery from the E-fuse is shorted. This will result in a default voltage set-point being used for charging the 12V battery, which will not be optimized for the present temperature. As a result, it is likely the 12V battery life will be reduced.
Original Description
The temperature sensor for the 12V battery from the E-fuse is shorted. This will result in a default voltage set-point being used for charging the 12V battery, which will not be optimized for the present temperature. As a result, it is likely the 12V battery life will be reduced.
Severity Notes
EFUSE-W156 is a Warning in the Electronic Fuse system. Schedule service soon. Monitor your vehicle for additional warnings.