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Home >> GMC >> 2003 >> Safari Van Cargo, AWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 787 (Antilock Brake System With TCVS & VSES) >> Diagnostic Information and Procedures >> DTC C0298 or P1571: Powertrain Indicated Traction Control Malfunction >> Test Description

Test Description

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

  1. 4.  This step tests for voltage supplied to the EBCM from the PCM.
  2. 5.  This step tests for a shorted resistor in the PCM or a short to voltage within the requested torque circuit by verifying that a large voltage drop occurs when a test lamp is connected in parallel with the DMM.

Fig 1: DTC C0298 Or P1571 (1 Of 2)
G01457118Courtesy of GENERAL MOTORS CORP.
Fig 2: DTC C0298 Or P1571 (2 Of 2)
G01457119Courtesy of GENERAL MOTORS CORP.
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