U0426
Invalid Data Received From Vehicle Immobilizer Control Module
U0426 is an OBD-II diagnostic trouble code meaning: Invalid Data Received From Vehicle Immobilizer Control Module. Common causes: immobilizer module malfunction, wiring harness damage. Estimated repair cost: $56–167.
Symptoms
- Engine won't start
- Check engine light is on
- Problems with key recognition
- Engine stalls after starting
Causes
- Immobilizer module malfunction
- Wiring harness damage
- Communication bus problems
- Malfunction of the electronic control unit
- Problems with the chip in the ignition key
How to Fix
- Check the condition of the wiring harness to the immobilizer
- Scan the system for other trouble codes
- Check the functionality of the ignition key
- Test the immobilizer module
- Repair only from an authorized dealer
Related codes
Error U0426 by Vehicle Brand
FAQ
What does the U0426 code mean?
U0426 is an OBD-II diagnostic trouble code that indicates: Invalid Data Received From Vehicle Immobilizer Control Module
What causes a U0426 error code?
The most common causes of U0426 include: Immobilizer module malfunction; Wiring harness damage; Communication bus problems; Malfunction of the electronic control unit.
How do I fix a U0426 diagnostic trouble code?
To fix U0426: Check the condition of the wiring harness to the immobilizer. Scan the system for other trouble codes. Check the functionality of the ignition key. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with U0426?
Yes, but get it checked soon
How much does it cost to fix U0426?
The estimated repair cost for U0426 is $56–167. Actual cost depends on your vehicle, location, and labor rates.
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