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Home >> Chevrolet >> 2002 >> Blazer 4D Utility, 4WD, Part Time >> Repair and Diagnosis >> External Pages >> Different car >> Section 834 (Automatic Transmission - 4L80-E/4L85-E (Service & Replacement)) >> Diagnostic Information and Procedures >> DTC B2722: Tow/Haul Switch Signal Shorted To Ground >> Conditions for Setting the DTC

Conditions for Setting the DTC

WARNING: This page is about a different car, the 2003 GMC Yukon XL, 2003 Chevrolet Suburban, and 2003 Chevrolet Avalanche. However, it is still accessible from the selected car via links, so may be relevant.

When the signal circuit of the Tow/Haul switch is shorted to ground for approximately 3 minutes. When the Tow/Haul switch is activated, stuck, for approximately 3 minutes.

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