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intermittent air bag light on and code b 0026

by Jan
(Cincinnati, OH)



At recent service on new to me 2002 Corvette with 26K mi, brake fluid and oil change done. Was told battery tested weak and that was replaced as well. Tech said air bag light on, even though I haven't had car long I would have noticed if air bag light previously on. Closing time, so I took car home. Air bag light stayed on for next 2-3 drives with only code b 0026. Light then went off for several days and now has returned along with same code.
Since air bag related will not attempt any work myself. What can I expect - is this an easily pinpointed problem or a situation where I will likely hear "let's try this first, then this, etc..."?
Probably totally unrelated, but the two times this has occurred the driver's seat was put all the way back, I normally have it much closer to steering wheel. The tech had it all the way back and then my son-in-law drove the car with seat back and low just before this issue returned.
Thanks for any input.

C5 Corvette Air Bag GM PN 10324094 AIRBAG,STRG WHL

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Jan 17, 2016
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by: Chris

C5 Corvette Air Bag GM PN 10324094 AIRBAG,STRG WHL
00-04 Corvette Clock Spring 26095710


DTC B0026 will set when one of the following conditions occurs:
Steering wheel module high circuit is less than 2 volts and the steering wheel module deployment loop resistance is more than 4.8 ohms for 500 milliseconds.
Steering wheel module deployment loop resistance is more than 6 ohms for 300 milliseconds.
Action Taken When the DTC Sets
The SDM commands the AIR BAG indicator ON via Class 2 serial data.

Conditions for Clearing the DTC
The condition responsible for setting the DTC no longer exists and the scan tool Clear DTCs function is used.
A history DTC will clear once 255 malfunction free ignition cycles have occurred.
Diagnostic Aids
The following are possible causes of the malfunction:

A short between the steering wheel module high and low circuits.
An open or a high resistance in the steering wheel module high or low circuits.
A short to ground or a short to voltage in the steering wheel module high or low circuits.
The steering wheel module coil connector
The SDM connector
A malfunctioning steering wheel module
A malfunctioning steering wheel module coil
A malfunctioning SDM
Thoroughly inspect the wiring and the connectors. An incomplete inspection of the wiring and the connectors may result in a misdiagnosis, causing a part replacement with the reappearance of the malfunction. If an intermittent malfunction exists, refer to Testing for Intermittent and Poor Connections in Wiring Systems.

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