garajizOBD-II code · generic
U0640
Lost Communication With EVAP Fuel Vapor Temperature Sensor Circuit
- System
- U — In-vehicle network
- Severity
- Moderate (3/5)
- Can I keep driving?
- Drive with caution
What does U0640 mean?
U0640 is defined as “Lost Communication With EVAP Fuel Vapor Temperature Sensor Circuit”.
Drive gently and only as far as you need to; have it checked as soon as possible.
Related codes
- U063FLost Communication With Engine Coolant Flow Control Valve Position Sensor
- U0641Lost Communication With EVAP System Pressure Sensor/Switch Circuit A
- U063ELost Communication With Exhaust Heat Exchanger Bypass Valve Actuator A
- U0642Lost Communication With EVAP System Pressure Sensor/Switch Circuit B
- U063DLost Communication With Hybrid/EV Electronics Coolant Pump A
- U0643Lost Communication With Turbocharger/Supercharger A Temperature Sensor
Look up another code
This page is general information; an exact diagnosis needs measurements and a technician’s check.