DTC P05B1-01: Active Grille Air Shutter "B" Control Circuit/Open - General electrical failure: Action
- Prioritized Checks to Perform
- Refer to the electrical circuit diagrams and check the lower active grille air shutter circuit for short circuit to ground, short circuit to power, open circuit, high resistance. Check the electrical connectors for evidence of water ingress. Check the terminals for damage and corrosion. Repair the wiring harness as necessary
- Check the integrity of the lower active grille air shutter linkage. Rectify as necessary
- Refer to the electrical circuit diagrams and check the lower active grille air shutter motor power and ground circuits for open circuit, high resistance. Check the electrical connectors for evidence of water ingress. Check the terminals for damage and corrosion. Repair the wiring harness as necessary