DTC B13CB-87: Roof Blind Module - Missing message: Action
- Refer to the appropriate system wiring diagrams and check the front roof blind motor power and ground circuits for open circuit, high resistance. Repair the wiring harness as necessary
- Refer to the appropriate system wiring diagrams and check the front roof blind LIN bus circuit for short circuit to ground, short circuit to power, open circuit, high resistance. Repair the wiring harness as necessary
- Using the manufacturer approved diagnostic system, clear the DTCs and retest. If the fault persists, install a new front roof blind motor