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Home >> Chevrolet >> 2001 >> Venture Base, Van Passenger >> Repair and Diagnosis >> External Pages >> Different car >> Section 661 (Automatic Transmission - 4L60-E/4L65-E (Service & Replacement)) >> Diagnostic Information and Procedures >> DTC P1870: Excessive TCC Slip When The TCC Should Be Engaged >> Test Description

Test Description

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

The number below refers to the step number on the diagnostic table.

  1. 3. This step tests the torque converter for slippage while in a commanded lock- up state.
    Fig 1: DTC P1870 (1 Of 4)
    G01972811Courtesy of GENERAL MOTORS CORP.
    Fig 2: DTC P1870 (2 Of 4)
    G01972812Courtesy of GENERAL MOTORS CORP.
    Fig 3: DTC P1870 (3 Of 4)
    G01972813Courtesy of GENERAL MOTORS CORP.
    Fig 4: DTC P1870 (4 Of 4)
    G01972814Courtesy of GENERAL MOTORS CORP.
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