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Home >> Land Rover >> 2020 >> Range Rover SVAutobiography Dynamic >> Repair and Diagnosis >> Quick Lookups >> Common Specs & Procedures >> Diagnostic Trouble Code Index DTC: Infotainment Master Controller/Infotainment Slave Controller (IMC/ISC) -- Range Rover/L405 >> General Information >> Description And Operation >> Diagnostic Trouble Code Index - DTC: Infotainment Master/Slave Controller (IMC/ISC) (G2385771) >> DTC B14A9-08: BroadR-Reach Link - Telematics (+) - Bus signal/message failures >> Action
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DTC B14A9-08: BroadR-Reach Link - Telematics (+) - Bus signal/message failures: Action

NOTE: Do Not  replace the infotainment master controller or infotainment slave controller for this DTC alone
  1. Using the Jaguar Land Rover approved diagnostic equipment, perform routine - On Demand Self Test (0x0202) and read the Diagnostic Trouble Code(s). If the DTC is set go to step 2, if the DTC is no longer set go to step  3
  2. Refer to the appropriate system wiring diagrams and disconnect the telematics control module BroadR-Reach® circuit from the infotainment master controller and perform step 1. Check for telematics control module BroadR-Reach® signal failure DTC, if the DTC is set refer to the system wiring diagrams and check the telematics control module BroadR-Reach® circuit for short circuit. Repair the wiring harness as necessary
  3. Using the Jaguar Land Rover approved diagnostic equipment, check the infotainment master controller/infotainment slave controller software release notes to see if a repair is available and update the infotainment master controller and infotainment slave controller. Clear the Diagnostic Trouble Code(s) and retest