DTC B1131-87: Wiper Motor Module - Missing message: Action
- Refer to the appropriate system wiring diagrams and check the windshield wiper 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 windshield wiper motor 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 windshield wiper motor