Code Definition

B2680 — Odometer Changed

System: Body  |  Type: Generic (OBD-II Standard)  |  Make: Ford

About B2680

B2680 is a generic (obd-ii standard) body diagnostic trouble code recorded for Ford vehicles. It belongs to the B-prefix family of codes, which covers body, interior, airbag, or comfort-electronics faults.

Scanning & clearing: Body (B) codes are often stored in the body control module, airbag module, or climate module. A basic OBD-II tool usually will not read body codes — an enhanced or OEM-level scan tool is typically required.

Because B2680 is a generic OBD-II code, its base definition is shared across manufacturers. The specific diagnostic steps, reference values, and repair procedures can vary by vehicle, and the TaT Diagnostic Assistant includes verified procedures submitted by working technicians.

Code Information

The Instrument Cluster (IPC) and Body Control Module (BCM) each store the vehicle odometer reading in nonvolatile memory and continuously cross check it against odometer data held in other modules over the vehicle communication network. DTC B2680 is set when the controlling module detects that the stored odometer value has changed, no longer agrees with the synchronised value held in companion modules, or has been corrupted. This code most commonly logs after instrument cluster or BCM replacement, after a reprogramming event, or following a low voltage condition during the start up self test. ...

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