OBD-II Network Error Code U0214: How to Fix It

Easy 30-60 minutes Low Severity Verified June 2026
Error Code
U0214
Brand
OBD-II Network
Product Type
automotive
Severity
Low
DIY Difficulty
Easy
Estimated Fix Time
30-60 minutes
OBD-II error code U0214 indicates your vehicle's control modules have lost communication with the remote function actuation system, which typically handles remote keyless entry (RKE) and other wireless functions. This communication breakdown can prevent your key fob from working properly and may trigger warning lights on your dashboard.
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Tools You'll Need

How to Fix Error Code U0214

  1. Turn off engine and wait

    Ensure the vehicle is parked safely and the parking brake is engaged before beginning any diagnostic work.
  2. Check key fob battery

  3. Inspect wiring and connectors

    Disconnect the negative battery terminal before handling any electrical connections to prevent shorts or airbag deployment.
  4. Clear the error code

  5. Test key fob functionality

  6. Check for additional error codes

  7. Reprogram key fob if necessary

Parts You May Need

Key fob battery
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RKE receiver module
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Wiring harness connectors
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Key fob battery
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RKE receiver module
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Wiring harness connectors
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Key fob battery
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RKE receiver module
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Wiring harness connectors
Check Price on Amazon
Key fob battery
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RKE receiver module
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Wiring harness connectors
Check Price on Amazon
Key fob battery
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RKE receiver module
Check Price on Amazon
Wiring harness connectors
Check Price on Amazon
Key fob battery
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RKE receiver module
Check Price on Amazon
Wiring harness connectors
Check Price on Amazon
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When to Call a Professional

Contact a qualified automotive technician if the error persists after trying these steps, if you find damaged wiring that requires repair, if the RKE receiver module needs replacement, or if professional key fob programming is required. Also seek professional help if you're uncomfortable working with electrical systems or if multiple network communication codes are present.

Frequently Asked Questions

What does OBD-II error code U0214 mean?
U0214 indicates lost communication between your vehicle's control modules and the remote function actuation system, which controls keyless entry and other wireless functions.
Can I still drive my car with U0214 error code?
Yes, U0214 is a low-severity error that typically only affects remote keyless entry functions. Your vehicle should still start and drive normally, though you may need to use the physical key.
How much does it cost to fix U0214 error code?
Simple fixes like battery replacement cost $5-15. Professional diagnosis typically costs $100-150. If the RKE receiver module needs replacement, expect $200-500 including parts and labor.
Will U0214 cause my car to fail inspection?
No, U0214 is not an emissions-related code and should not cause your vehicle to fail state inspection or emissions testing.
How can I prevent U0214 error code from returning?
Replace key fob batteries regularly, keep your vehicle dry to prevent water damage to electrical components, and have electrical issues addressed promptly to prevent cascading problems.