U023500: Lost Communication With Cruise Control Front Distance Range Sensor
Diagnostic trouble code U023500 — what it means, the common
causes, and how to confirm the real fault before replacing parts.
What does U023500 mean?
U023500 indicates: Lost Communication With Cruise Control Front Distance Range Sensor.
This relates to the Network / communication system.
Common causes of U023500
loss of communication with the front distance range sensor (G258/G259)
sensor misalignment exceeding -0.8° to +0.8°
front bumper removed, loosened, or displaced causing sensor displacement
sensor not reset/encoded after replacement
What to check (live data)
sensor misalignment angle (acceptable range: -0.8° to +0.8°)
Parts often involved in U023500
Right Adaptive Cruise Control Sensor G259
Left Adaptive Cruise Control Sensor G258
Distance Regulation Control Module J428
Distance Regulation Control Module 2 J850
Don't replace parts until the root cause is confirmed — many of these codes are caused by wiring, a connector or an upstream fault, not the part itself.
Get the confirmed root cause for U023500 — on YOUR vehicle
A code is a symptom, not a diagnosis. AutoDX Pro cross-checks several
independent assessments, pinpoints the actual root cause, gives you the
exact tests to confirm it, and shows the parts — only after the cause is
confirmed. Reads your scan-tool photo and decodes your VIN with open
recalls.
U023500 is a diagnostic trouble code: Lost Communication With Cruise Control Front Distance Range Sensor.
What are the common causes of U023500?
Common causes include: loss of communication with the front distance range sensor (G258/G259), sensor misalignment exceeding -0.8° to +0.8°, front bumper removed, loosened, or displaced causing sensor displacement, sensor not reset/encoded after replacement. The exact cause depends on the vehicle — confirm it before replacing parts.
Can I keep driving with U023500?
It depends on the fault and your symptoms. Some causes are minor, others can damage components or affect safety. Get the root cause confirmed before deciding.
How do I fix U023500?
Confirm the actual root cause with targeted tests first, then replace only the part that's at fault. AutoDX Pro gives you the root cause, the exact tests, and the parts for U023500 on your specific vehicle.