U352D
High Voltage System Interlock Circuit J
U352D is an OBD-II diagnostic trouble code meaning: High Voltage System Interlock Circuit J. Common causes: open or short circuit in the interlock circuit, lock sensor malfunction. Estimated repair cost: $17–111.
Symptoms
- The car won't start
- Hybrid system switches off
- Check engine light is on
- Power reduction
- Switching to emergency mode
Causes
- Open or short circuit in the interlock circuit
- Lock sensor malfunction
- Wiring Harness Problems
- Contact corrosion
- Control module malfunction
How to Fix
- Check the integrity of the locking circuit
- Inspect and clean contacts
- Replace damaged wires or connectors
- Check and replace the lock sensor
- Flash or replace the control module
Related codes
Error U352D by Vehicle Brand
FAQ
What does the U352D code mean?
U352D is an OBD-II diagnostic trouble code that indicates: High Voltage System Interlock Circuit J
What causes a U352D error code?
The most common causes of U352D include: Open or short circuit in the interlock circuit; Lock sensor malfunction; Wiring Harness Problems; Contact corrosion.
How do I fix a U352D diagnostic trouble code?
To fix U352D: Check the integrity of the locking circuit. Inspect and clean contacts. Replace damaged wires or connectors. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with U352D?
Do not drive — repair immediately
How much does it cost to fix U352D?
The estimated repair cost for U352D is $17–111. Actual cost depends on your vehicle, location, and labor rates.
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