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Home >> GMC >> 2006 >> Sierra 1500 HD, RWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 1726 (Automatic Transmission - 2ML70 - DTC P0969 To DTC P02730/DTC P279D) >> DTC P215B >> Circuit/System Verification

Circuit/System Verification

WARNING: This page is about a different car, the 2010 GMC Sierra and 2010 Chevrolet Silverado. However, it is still accessible from the selected car via links, so may be relevant.
    IMPORTANT: For vehicles equipped with a transfer case, review Diagnostic Aids.
  1. Inspect for the following mechanical conditions:
    • Loose, misaligned, OSS
    • Broken driveline components
  2. Operate the vehicle at 16-32 km/h (10-20 mph) while observing the Transmission OSS and ABS wheel parameters on the scan tool.
    • The OSS and ABS wheel speed signal displays should not vary by greater than 10 km/h (6 mph).
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