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.