3100 - Adjustment Four Wheel Alignment Check (Coil Suspension) Correction Code 31002100 Four Wheel Alignment Check (Air Suspension) Correction Code 31002100Four Wheel Alignment Check and Adjust (Coil Suspension) Correction Code 31002300 Four Wheel Alignment Check and Adjust (Air Suspension) Correction Code 31002300 Ride Height - Adjust Correction Code 31001100 Parent topic: 31 - SUSPENSION