DTC B12C9-86: LIN Bus E - Signal invalid: Action
NOTE:
This DTC will set if any component on the LIN bus E has failed. To confirm the cause of the fault, each component must be checked individually
- Refer to the appropriate system wiring diagrams and disconnect each component on LIN bus E individually, clear the DTC and retest. If no other LIN bus E Diagnostic Trouble Code(s) are set, replace the faulty component as necessary, clear the DTC and retest