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Home >> Chevrolet >> 2006 >> Silverado 1500 HD, RWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 1739 (Automatic Transmission - ALLISON - DTC P0218 To DTC P0878) >> DTC P0602 >> Circuit/System Testing

Circuit/System Testing

WARNING: This page is about a different car, the 2010 GMC Sierra, 2010 GMC Cab & Chassis Sierra, 2010 Chevrolet Silverado, and 2010 Chevrolet Cab & Chassis Silverado. However, it is still accessible from the selected car via links, so may be relevant.
  1. Re-calibrate the TCM. Refer to Control Module References for TCM replacement, setup, and programming.
  2. Ignition on, verify that DTC P0602 does not set.
  3. Perform fast learn procedure. Refer to FastLearn Procedure .
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