DTC U3000-87: Control Module - Missing message: Action
- Re-configure the central junction box using the manufacturer approved diagnostic system. Clear DTC and retest
- Check instrument cluster for DTCs and refer to the DTC index
- Using the manufacturer approved diagnostic system, complete a CAN network integrity test. Refer to the applicable SYSTEM WIRING DIAGRAM(S) and check the CAN network between the central junction box and the instrument cluster