: Ensure the connector to the battery sensor is clean. Apply contact cleaner to the pins if corrosion is visible.
While some causes of DTC B123A Renault Link may be unavoidable, there are steps that can be taken to minimize the risk of occurrence: dtc b123a renault link
When the ECU detects that the is broken, it triggers B123A. : Ensure the connector to the battery sensor is clean
: Use a diagnostic tool to clear the code after repair to see if it returns. LOW BATTERY Fault Renault master battery sensor wiring dtc b123a renault link