Generic Network Automotive Error Code U0073: How to Fix It

Q: What causes U0073 error code?

U0073 is typically caused by blown fuses in the CAN network, damaged wiring harnesses, corroded connectors, a faulty control module, or problems with the vehicle's communication bus termination resistors.

Q: Can I drive with U0073 error code?

You should avoid driving with U0073 as it indicates a communication failure that could affect critical vehicle systems like engine management, transmission control, or safety features. Get it diagnosed immediately.

Q: How much does it cost to fix U0073?

Repair costs vary widely depending on the root cause. Simple fuse replacement costs under $10, while control module replacement can range from $200-800. Wiring repairs typically cost $150-400 depending on complexity.

Q: Will U0073 clear itself?

No, U0073 will not clear itself as it indicates an ongoing communication failure. The underlying problem must be fixed and codes manually cleared using an OBD2 scanner.

Abstract

Error code U0073 indicates that a control module in your vehicle's communication network has lost the ability to communicate on Bus A. This is typically caused by wiring issues, blown fuses, or a faulty control module that needs immediate attention.