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Home >> Chevrolet >> 2001 >> Impala Base, 3.8 K >> Repair and Diagnosis >> External Pages >> Different car >> Section 493 (Anti-Lock Brake System) >> Diagnostic Information And Procedures >> DTC C0244: PWM Delivered Torque Malfunction; P1689: TCS Delivered Torque Control Circuit >> Test Description

Test Description

WARNING: This page is about a different car, the 2002 Oldsmobile Intrigue. 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. Use the scan tool in order to determine if the delivered torque signal has a valid duty cycle.
  2. 9. This vehicle is equipped with a PCM which uses an Electrically Erasable Programmable Read Only Memory (EEPROM). When replacing the PCM, the replacement PCM must be programmed.
    Fig 1: DTC C0244 Or P1689 (1 Of 2)
    G01757514Courtesy of GENERAL MOTORS CORP.
    Fig 2: DTC C0244 Or P1689 (2 Of 2)
    G01757515Courtesy of GENERAL MOTORS CORP.