PINPOINT TEST J : DTCs B11D8:12 AND B11D8:14: Notes

WARNING: This page is about a different car, the 2017 Lincoln Navigator and 2017 Ford Expedition. However, it is still accessible from the selected car via links, so may be relevant.

Diagnostic Overview

Diagnostics in this article assume a certain skill level and knowledge of Ford-specific diagnostic practices. Refer to Diagnostic Methods in Service Information for information about these practices.

Refer to Supplemental Restraint System , for schematic and connector information.

Normal Operation and Fault Conditions

The RCM transmits an event notification signal which communicates fuel cutoff status and SRS deployment status to the FPCM. When the FPCM receives an event notification signal which indicates a crash, it initiates fuel cut-off.

The RCM continuously monitors the event notification signal circuit for the following faults:

Short to voltage
Short to ground
Open circuit

If a fault is detected, the RCM stores DTC B11D8:12 or B11D8:14 in memory. The airbag warning indicator will not be illuminated if B11D8:12 or B11D8:14 is set.

DTC B11D8:12 (Restraint Event Notification: Circuit Short to Battery) - A fault is indicated when the RCM senses a short to voltage on the event notification signal circuit for more than 15 seconds.
DTC B11D8:14 (Restraint Event Notification: Circuit Short to Ground or Open) - A fault is indicated when the RCM senses a short to ground or an open on the event notification signal circuit for more than 15 seconds.

Possible Sources

Wiring, terminals or connectors
FPCM
RCM