FREE REPAIR MANUALS & LABOR GUIDES 1982-2013 Vehicles
Courtesy of Operation CHARM: Car repair manuals for everyone.

Test Z: DTC B2986 - Deployable Steering Column Circuit Short To Ground

PINPOINT TEST Z: DTC B2986 - DEPLOYABLE STEERING COLUMN CIRCUIT SHORT TO GROUND

Lamp Fault Codes (LFCs)
The following LFC indicate the specific fault associated with DTC B2986:







Normal Operation
As part of the supplemental restraint system (SRS), the vehicle is equipped with a deployable steering column. The restraints control module (RCM) will deploy (collapse) the steering column during a frontal collision when seat position information and other parameters reach predetermined limits.

The RCM checks the deployable steering column circuits for faults. If the RCM detects a short to ground on either circuit, it will store DTC B2986 in memory, flash LFC 12-9 on the air bag warning indicator.

- DTC B2986 Deployable Steering Column Circuit Short to Ground - If the RCM detects a short to ground on the deployable steering column circuits, it will set this DTC.

This pinpoint test is intended to diagnose the following:
- Wiring, terminals or connectors
- Deployable steering column
- RCM


Z1-Z3:






Z3-Z5:






Z6: