Possible Causes

WARNING: This page is about a different car, the 2015 Land Rover LR2, 2014 Land Rover LR2, and 2013 Land Rover LR2. However, it is still accessible from the selected car via links, so may be relevant.

Left electric park brake actuator motor supply fuse failure
Electric park brake control module ground circuit, open circuit, high resistance
Electric park brake control module supply voltage low
Left electric park brake actuator circuit short to ground, short to power, open circuit, high resistance
Left electric park brake actuator internal fault
Electric park brake control module internal fault