• Warning lights on the dashboard
• Failure of certain electronic features
• Intermittent electrical issues
• Faulty wiring or connectors
• Defective control module
• Software glitch in the vehicle's computer system
Module: A component that controls specific functions in a vehicle.
OBD-II: On-Board Diagnostics, a standardized system for vehicle diagnostics.
• U0100
• U0401
This code means that one part of the car is having trouble talking to another part. It's like when two friends can't hear each other on the phone.
U0516 indicates a communication error between different modules in the vehicle.
The code U0516 is a network communication error code. It signifies that the vehicle's control module has lost communication with a specific module or sensor, which might be related to the body control module or another critical system.
• Check for other related codes
• Inspect wiring and connectors for damage
• Test the suspect module for proper operation
• Repair or replace damaged wiring
• Reprogram or replace the faulty module
• Clear the codes and test the system
• OBD-II scanner
• Multimeter
• Diagnostic software
$150 - $500
Moderate
• Ford F-150
• Chevrolet Silverado
• Toyota Camry
• Regularly check and maintain vehicle wiring
• Update vehicle software as recommended
• Avoid aftermarket modifications that could interfere with communication
Communication Error
• Do not ignore warning lights on the dashboard
• Consult a professional mechanic if unsure
• Regular vehicle maintenance can prevent such issues
Check with your vehicle manufacturer for warranty coverage on electronic components.
Communication errors like U0516 have become more common as vehicles incorporate more electronic systems.
Moderate – It should be addressed soon to avoid further complications.
Ignoring this code could lead to safety issues if critical systems fail.
• Vehicle in ignition on position
• Ensure all electrical systems are active
The affected module is usually located within the vehicle's dashboard or engine bay, depending on the system involved.
Q: Can I drive with a U0516 code?
A: It's best to get it checked soon, as it could affect important vehicle functions.
Q: Will disconnecting the battery clear the code?
A: It might clear the code temporarily, but the underlying issue needs to be fixed to prevent it from returning.