Code Definition

B15DE — Telematics Transceiver Location Data Blackout

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

About B15DE

B15DE is a manufacturer-specific body diagnostic trouble code recorded for Toyota 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.

B15DE 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

The Data Communication Module (DCM, also called the telematics transceiver) requires valid vehicle position data from its internal GNSS receiver or, on some Toyota models, from the navigation head unit over the network. DTC B15DE is logged when, with the ignition on, the DCM does not receive valid position fixes for a calibrated period of time, where invalid means no satellites detected, stale or unchanging coordinates, or fewer satellites than required for an accurate fix. The code can also set when an electrical fault on the GNSS antenna or coaxial cable path causes loss of radio frequency s...

Join TaT to view the complete code information and diagnostic details.

Quick Facts