P2508-73: ECM/PCM Power Input Signal High - Actuator stuck closed: Action
- Check the operation of the main powertrain control module relay and rectify as required
- Refer to the electrical circuit diagrams and check the powertrain control module relay control circuit for short circuit to ground, short circuit to power, open circuit, high resistance. Repair the wiring harness as necessary
- Refer to the electrical circuit diagrams and check the powertrain control module power and ground circuits for short circuit to ground, short circuit to power, open circuit, high resistance. Repair the wiring harness as necessary
- Check the operation of the main powertrain control module supply fuse and rectify as required