Diagnostic System Check - Variable Effort Steering

2004 Oldsmobile Bravada AWDSECTION Diagnostic System Check - Variable Effort Steering
WARNING: This page is about a different car, the 2004 Chevrolet Corvette. However, it is still accessible from the selected car via links, so may be relevant.
Diagnostic System Check - Variable Effort Steering

Step Action Yes No
1 Install a scan tool.
Does the scan tool power up?
Go to Step 2  Go to Scan Tool Does Not Power Up in Data Link Communications
2
  1. Turn ON the ignition, with the engine OFF.
  2. Using the scan tool, attempt to establish communications with the Electronic Brake Control Module (EBCM).
Does the scan tool communicate with the EBCM?
Go to Step 3  Go to Scan Tool Does Not Communicate with Class 2 Device in Data Link Communications
3 Select the display DTC function on the scan tool.
Does the scan tool display any ABS, TCS or VSES DTCs?
Go to Diagnostic System Check - ABS in Antilock Brake System Go to Step 4 
4 Select the Magna Steer display DTC function on the scan tool.
Does the scan tool display DTC C1241?
Go to DTC C1241  Go to Symptoms - Power Steering System in Power Steering System
RENDER: 1.0x

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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.