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HOMESERVICE MANUALSBUICK2006TERRAZA CXL, 3.5 L, AWDREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 128 (ANTILOCK BRAKE SYSTEM WITH TRACTION CONTROL SYSTEM & STABILITY CONTROL SYSTEM)DIAGNOSTIC INFORMATION AND PROCEDURESDTC C0253TEST DESCRIPTION
2006 Buick Terraza CXL, 3.5 L, AWD

Test Description

2006 Buick Terraza CXL, 3.5 L, AWDSECTION Test Description
WARNING: This page is about a different car, the 2006 Buick LaCrosse and 2006 Buick Allure. 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 checks to see if other DTC is set.
  2. 3:  This step checks to see if steering angle sensor is centered.
DTC C0253

Step Action Yes No
Schematic Reference: ABS Schematics 
Connector End View Reference: ABS Connector End Views 
1 Did you perform the Diagnostic System Check - Vehicle? Go to Step 2  Go to Diagnostic System Check - Vehicle
2 
  1. Turn OFF the ignition.
  2. Install a scan tool.
  3. Turn ON the ignition, with the engine OFF.
  4. Select the ABS DTC display function.
Does the scan tool display any DTC other than DTC C0253?		 Go to Diagnostic Trouble Code (DTC) List - Vehicle Go to Step 3 
3  Perform the steering angle sensor centering procedure. Refer to Steering Angle Sensor Centering Procedure .
Did you successfully complete the centering procedure?		 Go to Step 4  Go to Step 5 
4
  1. Use the scan tool in order to clear the DTCs.
  2. Test drive the vehicle. Refer to Diagnostic Test Drive .
Did DTC C0253 reset?		 Go to Step 6  Go to Diagnostic Aids
5 Replace the steering angle sensor. Refer to Steering Wheel Position Sensor or Steering Shaft Lower Bearing Replacement .
Did you complete the replacement?		 Go to Step 7  -
6 Replace the electronic brake control module (EBCM). Refer to Control Module References for replacement, setup and programming.
Did you complete the replacement?		 Go to Step 7  -
7
  1. Use the scan tool in order to clear the DTCs.
  2. Operate the vehicle within the Conditions for Running the DTC as specified in the supporting test.
Does the DTC reset?		 Go to Step 2  System OK
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.