OBD-II code · Network
U043C Invalid Data Received From Front Distance Range Sensor — Right
A receiving module detected implausible data from the front-right distance range sensor (corner radar). Distance/azimuth values fail plausibility checks and are rejected by ADAS functions.
Is it safe to drive with U043C?
Usually safe for short trips, but don’t ignore it: the underlying fault can get more expensive over time.
Common causes
- Most likelyModule internal fault or sensor input drift
- PossibleSoftware version mismatch after replacement
- Less likelyGateway module routing CAN messages incorrectly
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
- 1–4 h
- Emissions test
- Usually unaffected
- After the fix
- A drive cycle is needed before the light stays off
- Parts involved
- Front Distance Sensor Right
Related codes
- U0439Invalid Data Received From All Terrain Control Module
- U043AInvalid Data Received From Suspension Control Module B
- U043BInvalid Data Received From Front Distance Range Sensor — Left
- U043DInvalid Data Received From Accelerator Pedal Module
- U043EInvalid Data Received From Vacuum Sensor A
- U043FInvalid Data Received From Vacuum Sensor B
Code data: OBDex open dataset (CC0). Labour times are typical ranges, not a quote.