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Old 09-22-2019, 11:09 AM   #3
RZNT4R
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Join Date: Apr 2010
Drives: 2017 86 6MT Oceanic
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"Speed sensor A" exists only as a numerical value in memory.

It's the speed of the vehicle, derived from all 4 wheel speed sensors as seen by the Stability Control ECU, cleaned up, put in a neat little package and sent over the network to the Engine Control Module.

Admiral is on point, you need a scan tool that can go read DTC and live data from the stability control to know what's actually wrong.
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