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Chevrolet
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2021
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Blazer RS, 4WD
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Repair and Diagnosis
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Transmission
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Automatic Trans
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Automatic Transmission - 9T50 (M3D), 9T60 (M3T) Or 9T65 (M3V) - Diagnostic Information And Procedures
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Diagnostic Information and Procedures
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DTC P0815, P0816, or P0826
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Diagnostic Fault Information
Diagnostic Fault Information
Circuit
Short to Ground
Open/High Resistance
Short to Voltage
Signal Performance
Signal
P0815, P0816, P0826
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Ground
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Mechanical Condition
Component
DTC
Condition
S2A Transmission Manual Shift Switch - Up/Down
P0815, P0816
Switch Stuck - Closed/On