OBD-II code · Network
U023E Lost Communication With Front Distance Range Sensor - Right
Lost Communication With Front Distance Range Sensor - Right: the control module has detected this fault condition.
Is it safe to drive with U023E?
The car may go into limp mode (reduced power). Get it diagnosed before a long trip.
Common causes
- Most likelySensor unpowered or wiring broken
- Less likelyGateway module routing CAN messages incorrectly
- Less likelyCAN terminating resistor (120 Ω) drifted out of spec
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
- Hard
- DIY friendly
- Best left to a mechanic
- Typical labour
- 1–6 h
- Emissions test
- Usually unaffected
- After the fix
- A drive cycle is needed before the light stays off
- Parts involved
- Front Distance Sensor R, Can Bus
Related codes
- U023BLost Communication With Image Processing Module B
- U023CLost Communication With Image Processing Module C
- U023DLost Communication With Front Distance Range Sensor - Left
- U0240Lost Communication With Entrapment Control Module B
- U0241Lost Communication With Headlamp Control Module A
- U0242Lost Communication With Headlamp Control Module B
Code data: OBDex open dataset (CC0). Labour times are typical ranges, not a quote.