OBD Guide
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B2680

Odometer Changed

B2680 is an OBD-II diagnostic trouble code meaning: Odometer Changed. Common causes: dashboard replacement, computer malfunction. Estimated repair cost: $56–222.

Severity
⚠️ Medium
Can you drive?
Limited driving only, diagnose soon
Approx. repair cost
$56–222 (est.)

Symptoms

  • Incorrect mileage display
  • Check Engine light comes on
  • Error persists after reset

Causes

  • Dashboard replacement
  • Computer malfunction
  • Attempting to adjust mileage
  • Low battery or power failure

How to Fix

  1. Check vehicle service history for dashboard replacement
  2. Read real mileage from the ECU and compare with odometer readings
  3. If necessary, have the odometer calibrated by an authorized dealer.
  4. Replace the instrument panel or ECU if a fault is detected

Related codes

B2681B2682U0121

FAQ

What does the B2680 code mean?

B2680 is an OBD-II diagnostic trouble code that indicates: Odometer Changed

What causes a B2680 error code?

The most common causes of B2680 include: Dashboard replacement; Computer malfunction; Attempting to adjust mileage; Low battery or power failure.

How do I fix a B2680 diagnostic trouble code?

To fix B2680: Check vehicle service history for dashboard replacement. Read real mileage from the ECU and compare with odometer readings. If necessary, have the odometer calibrated by an authorized dealer.. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with B2680?

Limited driving only, diagnose soon

How much does it cost to fix B2680?

The estimated repair cost for B2680 is $56–222. Actual cost depends on your vehicle, location, and labor rates.

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