DTC B128B-13: Speaker #14 - Circuit open: Action

NOTE: This DTC only applies to vehicles with Meridian® Surround audio system only

Refer to the electrical circuit diagrams and test the rear right surround speaker circuit for open circuit, high resistance. Using Jaguar Land Rover approved diagnostic equipment, clear the DTCs and retest. If the fault persists, install a new rear right surround speaker as necessary
Using Jaguar Land Rover approved diagnostic equipment, clear the DTCs and retest. If the fault persists, install a new audio amplifier module