LEMON Manuals: Even more car manuals for everyone
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 P0748: PC Solenoid Valve Duty Cycle Reached Its High Limit >> 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 numbers below refer to the step numbers on the diagnostic table.

  1. 2. This step tests the ability of the PCM to command the PC solenoid valve.
  2. 3. This step tests the PC solenoid valve and automatic transmission (AT) wiring harness assembly for incorrect resistance.
    Fig 1: DTC P0748 (1 Of 3)
    G01972779Courtesy of GENERAL MOTORS CORP.
    Fig 2: DTC P0740 (2 Of 3)
    G01972780Courtesy of GENERAL MOTORS CORP.
    Fig 3: DTC P0740 (3 Of 3)
    G01972781Courtesy of GENERAL MOTORS CORP.
scientia non olet · About LEMON Manuals