U0235Network Communication

Lost Communication With Cruise Control Front Distance Range Sensor

U0235 means a module lost communication with the front distance range sensor used by adaptive cruise control. The radar-based following feature may be disabled.

🚗 Yes, but adaptive cruise control will not work. Use standard driving practices.

MEDIUM

severity

🎯 Top Causes, Ranked by Likelihood

#1Wiring or connector fault to the sensor$50-$300

35%

Open or shorted wiring interrupts communication with the distance sensor.

#2Failed front distance range sensor$300-$900

30%

An internal failure stops the radar sensor from communicating.

#3Poor power or ground to the sensor$50-$250

20%

Missing power or ground keeps the sensor offline.

#4Bus fault affecting the sensor$100-$500

15%

A network problem can drop the sensor off the bus.

🩺 Common Symptoms

Adaptive cruise control disabled
Cruise or collision warning message
Following distance features off
Radar sensor fault indicator

💰 Repair Cost: DIY vs Shop

DIY Cost

$50-$300

Shop Cost

$200-$900

📋 Free OBD2 Code Cheat Sheet

The 50 most common codes with likely cause and DIY fix cost. Sent once, no spam.

🔧 How to Diagnose U0235

1Scan modules and confirm which are communicating

2Verify power and ground at the distance sensor

3Inspect wiring and connectors to the sensor

4Test the bus signal reaching the sensor

❓ Frequently Asked Questions

Can I drive with U0235?

Yes, but adaptive cruise control will not work. Regular driving is unaffected.

What is the front distance range sensor?

It is the radar sensor that measures distance to the vehicle ahead for adaptive cruise control.

What causes U0235?

Wiring or connector faults, a failed radar sensor, or a power and ground problem.

🔗 Related Codes

U0155U0140U0121U0126