Repair Lane

Adaptive Cruise Diagnostic

Testing of the adaptive cruise control radar and modules to find out why cruise won't engage, drops out, or brakes at the wrong times.

Difficulty: moderate~0.71 hrsAbout 1 hour
Estimated total
$80–175
Parts$0
Labor$80–175
Labor time0.71 hrs

Diagnostic pricing covers testing and identification of the problem. Repair parts and labor are quoted separately.

Repair costs are not included unless separately selected.

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What's involved

What this repair actually is.

We scan the cruise and radar modules for stored faults, inspect the radar sensor and its bracket behind the grille or bumper, and verify the sensor's aim and signal quality. This tells us whether the fix is a cleaning, a re-aim and calibration, wiring repair, or a sensor replacement.

Symptoms

How you can tell.

  • 'Adaptive cruise unavailable' or 'Radar blocked' message
  • Cruise control refuses to set or cancels on its own
  • Car brakes suddenly with nothing in front of it
  • Follows traffic too closely or reacts late
  • Problem started after front-end or bumper damage
Educational estimate. Real pricing depends on your vehicle, the inspection, parts availability, taxes, and shop rates. Use this as a guide while you shop quotes.
Related

Often done together.