2010 Cadillac Truck SRX FWD V6-3.0L Page 64

2010 Cadillac Truck SRX FWD V6-3.0L Page 64

DTC Descriptors

DTC B0012 01

- Driver Steering Wheel Air Bag Deployment Loop Stage 1 Short to Battery

DTC B0012 02

- Driver Steering Wheel Air Bag Deployment Loop Stage 1 Short to Ground

DTC B0012 04

- Driver Steering Wheel Air Bag Deployment Loop Stage 1 Open

DTC B0012 0D

- Driver Steering Wheel Air Bag Deployment Loop Stage 1 High Resistance

DTC B0012 0E

- Driver Steering Wheel Air Bag Deployment Loop Stage 1 Low Resistance

DTC B0013 01

- Driver Steering Wheel Air Bag Deployment Loop Stage 2 Short to Battery

DTC B0013 02

- Driver Steering Wheel Air Bag Deployment Loop Stage 2 Short to Ground

DTC B0013 04

- Driver Steering Wheel Air Bag Deployment Loop Stage 2 Open

DTC B0013 0D

- Driver Steering Wheel Air Bag Deployment Loop Stage 2 High Resistance

DTC B0013 0E

- Driver Steering Wheel Air Bag Deployment Loop Stage 2 Low Resistance

Diagnostic Fault Information

Circuit/System Description

During a frontal crash of sufficient force the inflatable restraint sensing and diagnostic module (SDM) will allow current to flow through the

deployment loop in order to deploy the driver steering wheel air bag. The SDM performs continuous diagnostic tests on the deployment loops to

check for proper circuit continuity and for shorts to ground or voltage. There are 2 shorting bars used within the driver steering wheel air bag coil

connector which will short together both driver steering wheel air bag stage 1 control circuit and driver steering wheel air bag stage 1 control circuit

and both driver steering wheel air bag stage 2 control circuit and driver steering wheel air bag stage 2 control circuit when the connector is

disconnected. This will help to prevent unwanted deployment of the air bag during servicing.

Conditions for Running the DTC

Ignition voltage is between 9-16 V.

Conditions for Setting the DTC

B0012 01 stage 1 or B0013 01 stage 2

The driver steering wheel air bag control circuit is shorted to voltage for 2 seconds.

B0012 02 stage 1 or B0013 02 stage 2

The driver steering wheel air bag control circuit is shorted to ground for 2 seconds.