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2010
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Cobalt LS, 4D Sedan, Automatic
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Repair and Diagnosis
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Transmission
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Automatic Trans
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Automatic Transmission - 4T45-E - Symptom Troubleshooting And Diagnosis
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First and Fourth Gears Only
First and Fourth Gears Only
Checks
Causes
1-2 Shift Solenoid Valve (305)
Stuck ON
The solenoid is plugged
Electrical malfunction