P1457
Troubleshooting Flowchart (Part 1):
Troubleshooting Flowchart (Part 2):
Troubleshooting Flowchart (Part 3):
Troubleshooting Flowchart (Part 4):
Troubleshooting Flowchart (Part 5):
NOTE: This DTC requires two "trips" or two driving cycles unless the SCS service connector is connected.