OBD-II code · Network
U0658 Lost Communication With Windshield Temperature Sensor
The vehicle bus reports loss of communication with smart windshield temperature sensor (used for defog/defrost strategy and rain/light combo modules). Auto-climate strategy loses one of its inputs.
Is it safe to drive with U0658?
Usually safe to drive in the short term. Get it diagnosed when convenient, sooner if the car drives differently.
Common causes
- Most likelyBus wiring open or shorted
- PossibleModule without power or ground
- PossibleModule failed
Symptoms
- Multiple warning lights may illuminate
- Affected modules may go into limp mode or shut down
- Specific functions inoperative depending on module
- Diagnostic tools may show communication faults
Repair at a glance
- Difficulty
- Easy
- DIY friendly
- Often, with basic tools
- Typical labour
- 0.5–1.5 h
- Emissions test
- Usually unaffected
- After the fix
- A drive cycle is needed before the light stays off
- Parts involved
- Windshield Temp Sensor, Vehicle Bus Wiring
Related codes
- U0655Lost Communication With Diesel Intake Air Flow B Position Sensor
- U0656Lost Communication With Turbocharger/Supercharger Boost Control A Position Sensor
- U0657Lost Communication With Turbocharger/Supercharger Bypass Valve A Position Sensor
- U0659Lost Communication With Left Front Temperature Actuator
- U065ALost Communication With Right Front Temperature Actuator
- U065BLost Communication With Left Front Mode Actuator
Code data: OBDex open dataset (CC0). Labour times are typical ranges, not a quote.