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TrailBlazer 2WD L6-4.2L VIN S
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Powertrain Management
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Transmission Control Systems
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Technical Service Bulletins
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Transmission Control Systems: Technical Service Bulletins
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Customer Interest
Engine Controls - MIL ON/Delayed Downshift/Fan Noise
Engine Controls - Hesitation/Stall/Harsh A/T Upshifts
Drivetrain - 'Service 4WD' Indicator ON/DTC B2725 Set
By Symptom
Customer Interest
Engine Controls - MIL ON/Delayed Downshift/Fan Noise
Engine Controls - Hesitation/Stall/Harsh A/T Upshifts
Drivetrain - 'Service 4WD' Indicator ON/DTC B2725 Set
Driveability
Engine Controls - Hesitation/Stall/Harsh A/T Upshifts
False instrument warning light/gauges
Drivetrain - 'Service 4WD' Indicator ON/DTC B2725 Set
Hard Shifting
Engine Controls - Hesitation/Stall/Harsh A/T Upshifts
All Technical Service Bulletins
Engine Controls - MIL ON/Delayed Downshift/Fan Noise
Engine Controls - Hesitation/Stall/Harsh A/T Upshifts
Drivetrain - 'Service 4WD' Indicator ON/DTC B2725 Set
A/T - Shift Lock Control Actuator Available