Code Definition

B1682 — PATS Is Disabled (Check Link Between PATS And Transponder)

System: Body  |  Type: Manufacturer-Specific  |  Make: Ford

About B1682

B1682 is a manufacturer-specific 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.

B1682 is a manufacturer-specific code. The same code string on a different make may have a different meaning. Always confirm the code's definition against the vehicle's service information for the specific make and model under test.

Code Information

B1682 is a Ford specific code indicating that the PATS (Passive Anti Theft System) function has been disabled because the link between the PATS module and the transponder in the ignition key cannot be established. The PATS module energises the transponder via the transceiver antenna ring around the ignition lock cylinder and expects to receive a coded response from the chip in the key. When the link cannot be completed within the validation window, the PATS function disables itself, prevents engine start, and stores this code. Drivers will see a no start condition with the theft indicator flas...

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