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luc_du002
Moderate
Lucid · Sedans
Drive Unit Overtemperature Rear
Quick Answer
Error code LUC_DU002 on your Lucid Sedans means: Drive Unit Overtemperature Rear. This is usually fixable — see the step-by-step guide below.
Affected Models
Applies to all models
LAGTLAGTPLAPLASLAT
Likely Causes
  1. Prolonged high-speed or high-torque driving overloading rear motor thermal capacity
  2. Rear drive unit coolant circulation pump failure or reduced output
  3. Coolant bypass valve stuck in incorrect position reducing rear unit cooling
  4. Rear motor inverter generating excess heat due to degraded components
  5. Insufficient vehicle cooldown between consecutive aggressive driving sessions
How to Fix It
1
Immediately reduce driving intensity and allow the vehicle to enter thermal recovery mode
2
Park in a shaded area and leave the vehicle idle with climate active to assist cooling
3
Inspect rear drive unit coolant lines for visible leaks or kinks
4
Verify coolant level in the thermal management reservoir
5
If fault recurs during normal driving, schedule service for rear drive unit thermal inspection
Pro Tip
This fix requires some technical knowledge. If you're unsure about any step, consider contacting support or a qualified technician.
Parts You May Need
Rear drive unit coolant pump
Coolant bypass valve assembly
Drive unit coolant fluid
Rear motor inverter thermal pad kit
Related Error Codes
LUC_HV001LUC_HV002LUC_HV003LUC_CP001LUC_CP002
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