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13 Tahoe Passanger presence sensor

By Mike Here
April 14, 2023 in Gen III & Gen IV V8 Engines (LS-Based)

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Mike Here

Posted April 14, 2023

Posted April 14, 2023

Had a b0081:5A code for passenger presence possibility fault, sensor was reading -1 for the pressure sensor. Got one from the junkyard and plugged it up. And it now reads .04 still have the code I seen it has to be re-zeroed, but should it have went back to a positive number?

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