OBD Guide
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B2065

Distance Control ECU Malfunction

B2065 is an OBD-II diagnostic trouble code meaning: Distance Control ECU Malfunction. Common causes: broken or damaged wiring harness, the radar/camera is dirty or damaged. Estimated repair cost: $111–556.

Severity
⚠️ Medium
Can you drive?
Yes, but get it checked soon
Approx. repair cost
$111–556 (est.)

Symptoms

  • Disabling adaptive cruise control
  • Inability to activate the system
  • False alarms of the system
  • Error message on the dashboard

Causes

  • Broken or damaged wiring harness
  • The radar/camera is dirty or damaged
  • Control unit malfunction
  • Software glitch
  • Control unit power supply problems

How to Fix

  1. Check the wiring harness for breaks and damage
  2. Clear radar/camera sensors
  3. Check the power supply to the control unit
  4. Reflash the control unit (if required)
  5. Replace the control unit (in case of malfunction)

Related codes

B2064B2066U0121

FAQ

What does the B2065 code mean?

B2065 is an OBD-II diagnostic trouble code that indicates: Distance Control ECU Malfunction

What causes a B2065 error code?

The most common causes of B2065 include: Broken or damaged wiring harness; The radar/camera is dirty or damaged; Control unit malfunction; Software glitch.

How do I fix a B2065 diagnostic trouble code?

To fix B2065: Check the wiring harness for breaks and damage. Clear radar/camera sensors. Check the power supply to the control unit. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with B2065?

Yes, but get it checked soon

How much does it cost to fix B2065?

The estimated repair cost for B2065 is $111–556. Actual cost depends on your vehicle, location, and labor rates.

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See also: Russian version · NationStat