Dtc B123a - Renault Link |verified|
DTC stands for Diagnostic Trouble Code. The "B" at the beginning of the code stands for "Body," indicating that the fault relates to the vehicle's body systems such as lighting, power windows, or, in this case, electrical power management .
A physical disruption in the wiring harness or a blown link fuse feeding that specific branch of the power distribution grid. dtc b123a renault link