C0400
Adaptive Cruise Control Sensor Alignment
2021-2023 Dodge Durango SRT Hellcat 6.2L V8 Supercharged
Moderate SeverityChassisGeneric (SAE)
Description
The adaptive cruise control distance sensor is out of calibrated alignment.
Symptoms
- ACC unavailable message
- ACC warning light
- Cruise control not functioning
- Forward collision warning inactive
Common Causes
- Sensor misaligned after collision
- Sensor bracket bent
- Windshield replacement shifted sensor
- Front fascia repair changed sensor aim
Diagnostic Steps
- Perform ACC sensor alignment procedure
- Check sensor mounting bracket
- Inspect front fascia for damage or misalignment
- Verify sensor aim with manufacturer target and procedure
- Check for windshield-related codes if camera-based
Repair Notes
Perform ACC sensor alignment using manufacturer-specified targets and procedure.
Related Codes
Other Chassis Codes
- C0021LF Wheel Speed Sensor Range/Performance
- C0022RF Wheel Speed Sensor Range/Performance
- C0023LR Wheel Speed Sensor Range/Performance
- C0024RR Wheel Speed Sensor Range/Performance
- C0025LF Wheel Speed Sensor Circuit Intermittent
- C0026RF Wheel Speed Sensor Circuit Intermittent
- C0027LR Wheel Speed Sensor Circuit Intermittent
- C0028RR Wheel Speed Sensor Circuit Intermittent
- C0035Left Front Wheel Speed Sensor Circuit
- C0036Left Front Wheel Speed Signal Erratic
C0400 on Other Vehicles
Common Questions
What does code C0400 mean on a 2021-2023 Dodge Durango SRT Hellcat?
C0400 stands for "Adaptive Cruise Control Sensor Alignment". The adaptive cruise control distance sensor is out of calibrated alignment.
What are the symptoms of C0400 on a Dodge Durango SRT Hellcat?
Common symptoms of C0400 include: ACC unavailable message, ACC warning light, Cruise control not functioning, Forward collision warning inactive.
What causes C0400 on a 2021-2023 Dodge Durango SRT Hellcat?
Common causes of C0400 include: Sensor misaligned after collision, Sensor bracket bent, Windshield replacement shifted sensor, Front fascia repair changed sensor aim.