chevrolet Workshop Repair Guides

Chevrolet Workshop Service and Repair Manuals

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Transmission Position Switch/Sensor, A/T > < Tow/Haul Switch <--> [Transmission Mode Switch, A/T]|Diagrams|Page 3571

Blazer 4WD V6-4.3L VIN X (2005)

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Steps 1-8

Test Description

These numbers correspond to the step numbers on the diagnostic table.
2. This step tests for a faulty tow/haul switch.
3. This step tests for voltage input from the BCM to the tow/haul switch.

Transmission Position Switch/Sensor, A/T > < Tow/Haul Switch <--> [Transmission Mode Switch, A/T]|Diagrams|Page 3571