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Home >> GMC >> 2006 >> Sierra 1500 HD, RWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 236 (Automatic Transmission - 4L60-E/4L65-E (Service & Replacement)) >> Diagnostic Information and Procedures >> DTC P0894: Excessive TCC Slip When The TCC Should Be Engaged >> Test Description

Test Description

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

The numbers below refer to the step numbers on the diagnostic table.

  1. 3.  This step tests the torque converter for slippage while in a commanded lock-up state.
Fig 1: DTC P0894 (1 Of 5)
G02424035Courtesy of GENERAL MOTORS CORP.
Fig 2: DTC P0894 (2 Of 5)
G02424036Courtesy of GENERAL MOTORS CORP.
Fig 3: DTC P0894 (3 Of 5)
G02424037Courtesy of GENERAL MOTORS CORP.
Fig 4: DTC P0894 (4 Of 5)
G02424038Courtesy of GENERAL MOTORS CORP.
Fig 5: DTC P0894 (5 Of 5)
G02424039Courtesy of GENERAL MOTORS CORP.
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