Conditions for Setting the DTC
WARNING: This page is about a different car, the 2007 Suzuki XL7. However, it is still accessible from the selected car via links, so may be relevant.
B0012 01 Stage 1 or B0013 01 Stage 2
The steering wheel module high and/or low circuit is short to voltage for 120 milliseconds.
B0012 02 Stage 1 or B0013 02 Stage 2
The steering wheel module high and/or low circuit is short to ground for 120 milliseconds.
B0012 04 Stage 1 or B0013 04 Stage 2
The steering wheel module high and/or low circuit is open for 120 milliseconds.
B0012 0D Stage 1 or B0013 0D Stage 2
The steering wheel module deployment loop resistance is more than 5.1 ohms for 120 milliseconds.
B0012 0E Stage 1 or B0013 0E Stage 2
The steering wheel module deployment loop resistance is less than 1.3 ohms for 120 milliseconds.