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HOMESERVICE MANUALSOLDSMOBILE2004BRAVADA RWDREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 702 (ANTI-LOCK BRAKE SYSTEM)DIAGNOSTIC INFORMATION & PROCEDURESDTC C0298, P1571: POWERTRAIN INDICATED TRACTION CONTROL MALFUNCTION & TRACTION CONTROL TORQUE REQUEST CIRCUITTEST DESCRIPTION
2004 Oldsmobile Bravada RWD

Test Description

2004 Oldsmobile Bravada RWDSECTION Test Description
WARNING: This page is about a different car, the 2002 GMC Sierra, 2002 GMC Cab & Chassis Sierra, 2002 Chevrolet Silverado, and 2002 Chevrolet Cab & Chassis Silverado. 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. 4)  - This step tests for voltage supplied to the EBCM from the PCM.
  2. 5)  - This step verifies the EBCM is creating a requested torqued signal with a valid Hz frequency.
  3. 6)  - This step verifies the EBCM is creating a requested torque signal with a valid duty cycle.
  4. 7)  - The EBCM may be damaged if the requested torque signal circuit is shorted to voltage.
    5. Fig 1: DTC C0298 Or P1571 Diagnosis (Steps 1-3)
    G01669335Courtesy of GENERAL MOTORS CORP.
RENDER: 1.0x

NO RELATED

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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • • You smell fuel, burning insulation, or see smoke.
  • • Brakes feel soft, pull hard to one side, or make grinding noises.
  • • The engine overheats, stalls repeatedly, or misfires under load.
  • • You are missing required tools, torque specs, or safe lifting equipment.
  • • You are not confident in the next step or safety outcome.