U0640 - Lost Communication With EVAP Fuel Vapor Temperature Sensor Circuit
U0640 is a generic network/communication diagnostic trouble code indicating Lost Communication With EVAP Fuel Vapor Temperature Sensor Circuit. It relates to the System-Specific system.
DTC Breakdown (SAE J2012)
| System | Network/Communication (U) |
| Type | Generic |
| Subsystem | System-Specific |
| Fault Index | 40 |
| Standard | SAE J2012 / ISO 15031-6 |
What does diagnostic code U0640 mean?
The dtc/">diagnostic trouble code U0640 represents Lost Communication With EVAP Fuel Vapor Temperature Sensor Circuit. This standard generic code points to a monitored fault condition in the vehicle's Network/Communication network.
Detailed diagnostic guides and specific fix procedures for code U0640 are currently being compiled. Always verify check engine warnings with a qualified mechanic.
Frequently Asked Questions about U0640
What does U0640 mean?
The diagnostic trouble code U0640 represents Lost Communication With EVAP Fuel Vapor Temperature Sensor Circuit. This standard generic code points to a monitored fault condition in the vehicle's Network/Communication network.
What is the system for U0640?
The U0640 code is located in the vehicle's Network/Communication network.