Code Definition

B16E7 (15) — Passive Entry Antenna Circuit

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

About B16E7

B16E7 is a manufacturer-specific body diagnostic trouble code recorded for Ram vehicles. It belongs to the B-prefix family of codes, which covers body, interior, airbag, or comfort-electronics faults.

When B16E7 is stored, the module has detected an electrical-circuit fault in the wiring, connector, or driver associated with the named component.

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.

B16E7 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 passive entry antennas are part of the Ram Passive Entry / Passive Start (PEPS) system, mounted at strategic positions around the vehicle (typically in the door handles, rear bumper or trunk lid, and inside the cabin) and driven by the Body Control Module (BCM) at low frequency to detect the proximity of the key fob and authenticate it before passive unlock or pushbutton start is allowed. DTC B16E7:15 indicates that the BCM has detected an open circuit condition in the passive entry antenna drive circuit, where the expected coil load response from the antenna was not received when the BCM ...

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