U0167
Lost Communication With Vehicle Immobilizer Control Module
U0167 is an OBD-II diagnostic trouble code meaning: Lost Communication With Vehicle Immobilizer Control Module. Common causes: broken or damaged wires between the ecu and the immobilizer module, immobilizer module malfunction. Estimated repair cost: $56–278.
Symptoms
- Check Engine light comes on
- Problems starting the engine
- The car may not start
- The immobilizer may block engine operation
- Possible malfunctions of the anti-theft system
Causes
- Broken or damaged wires between the ECU and the immobilizer module
- Immobilizer module malfunction
- Immobilizer module power supply problems
- Software failure in the ECU
- Corrosion of contacts or connectors
How to Fix
- Check the integrity of the wiring between the ECU and the immobilizer module
- Check the power and ground of the immobilizer module
- Inspect connectors for corrosion or damage
- Scan the system for other errors
- If necessary, replace the immobilizer module
- Repair only from an authorized dealer
Related codes
Error U0167 by Vehicle Brand
FAQ
What does the U0167 code mean?
U0167 is an OBD-II diagnostic trouble code that indicates: Lost Communication With Vehicle Immobilizer Control Module
What causes a U0167 error code?
The most common causes of U0167 include: Broken or damaged wires between the ECU and the immobilizer module; Immobilizer module malfunction; Immobilizer module power supply problems; Software failure in the ECU.
How do I fix a U0167 diagnostic trouble code?
To fix U0167: Check the integrity of the wiring between the ECU and the immobilizer module. Check the power and ground of the immobilizer module. Inspect connectors for corrosion or damage. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with U0167?
Do not drive — repair immediately
How much does it cost to fix U0167?
The estimated repair cost for U0167 is $56–278. Actual cost depends on your vehicle, location, and labor rates.
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