U0250
Lost Communication With Impact Classification System Module
U0250 is an OBD-II diagnostic trouble code meaning: Lost Communication With Impact Classification System Module. Common causes: open or short circuit in the module power supply circuit, damage to the can bus wiring harness. Estimated repair cost: $56–167.
Symptoms
- Airbag light is on
- The safety system may not work in an accident
- Errors in other CAN bus-related systems
- Possible problems with diagnostics via OBD-II
Causes
- Open or short circuit in the module power supply circuit
- Damage to the CAN bus wiring harness
- Impact classification module malfunction
- Power or grounding problems
- Corrosion of contacts or connectors
How to Fix
- Check the integrity of the wiring harness and connectors
- Check the supply voltage and module ground
- Scan other modules for CAN bus errors
- If necessary, replace the impact classification module
- Repair only from an authorized dealer
Related codes
Error U0250 by Vehicle Brand
FAQ
What does the U0250 code mean?
U0250 is an OBD-II diagnostic trouble code that indicates: Lost Communication With Impact Classification System Module
What causes a U0250 error code?
The most common causes of U0250 include: Open or short circuit in the module power supply circuit; Damage to the CAN bus wiring harness; Impact classification module malfunction; Power or grounding problems.
How do I fix a U0250 diagnostic trouble code?
To fix U0250: Check the integrity of the wiring harness and connectors. Check the supply voltage and module ground. Scan other modules for CAN bus errors. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with U0250?
Do not drive — repair immediately
How much does it cost to fix U0250?
The estimated repair cost for U0250 is $56–167. Actual cost depends on your vehicle, location, and labor rates.
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