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Dave Nova
Dave Nova, Cadillac Technician
Category: Cadillac
Satisfied Customers: 19452
Experience:  ASE Master Certification. GM World Class Certification
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2002 cadillac deville: /airbag light on

Customer Question

2002 cadillac devile w/airbag light on. the code is B0026 driver frontal deployment loop open. What can i do to fix this code?
Submitted: 7 years ago.
Category: Cadillac
Expert:  Dave Nova replied 7 years ago.

This code sets when the airbag module detects high resistance in the stage 1 drivers air bag control circuit. Disconnect the airbag module and the drivers airbag and test for high resistance in the wiring between the module and the airbag electrical connector. If there is high resistance, it is most likely in the SIR coil in the steering column. If the wiring checks out okay, the drivers airbag will need to be replaced. The tan and brown wires shown in the schematic below are the ones that need to be tested.



Customer: replied 7 years ago.
could you tell me were the airbag module is and do i have to take the steering wheel off to test it, or is there a connector under the dash . i will do this test tommorow thank you for the info and answer..
Expert:  Dave Nova replied 7 years ago.

The airbag module is located under the passenger front seat. You will not need to remove the steering wheel, just release the airbag from the steering wheel. If you do not have the special tool shown in the picture below, use two flat bladed screwdrivers.




This is what the connector at the airbag module looks like, test the wires at pins A12 and A13, tan and brown wires.



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Customer: replied 7 years ago.
thank you for the info dave. It is greatly appreceated
Expert:  Dave Nova replied 7 years ago.
You are welcome. Thanks for using justanswer.
Expert:  Dave Nova replied 7 years ago.
You are welcome. Thanks for using justanswer.