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Home >> Cadillac >> 2016 >> XTS Livery >> Repair and Diagnosis >> Transmission >> Automatic Trans >> Automatic Transmission - 6T70 (M7U), 6T75 (M7V), Or 6T80 (Mhm) - Diagnostic Information And Procedures >> Diagnostic Information and Procedures >> DTC P0815, P0816, or P0826: Upshift Switch Circuit/Downshift Switch Circuit/Up and Down Shift Switch Circuit >> Diagnostic Aids

Diagnostic Aids

The switch circuits pass through the steering wheel air bag coil. A worn steering wheel air bag coil may cause intermittent conditions. To detect a condition, turn the steering wheel 360 degrees in one direction then back 360 degrees in the other direction, multiple times during testing.