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Home >> Saturn >> 2009 >> Vue Red Line, AWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 129 (Antilock Brake System With Traction Control System & Stability Control System) >> Diagnostic Information and Procedures >> DTC C0161 >> Test Description

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. 3:  This step checks if there is other DTCs that can cause the BPPS failure.
  2. 7:  This step checks to see if the DTC will reset as current.
DTC C0161

Step Action Yes No
Schematic Reference: ABS Schematics 
Connector End View Reference: ABS Connector End Views  and Computer/Integrating Systems Connector End Views
1
  1. In addition to the DTC C0161 that is set in the electronic brake control module (EBCM), perform the following.
  2. Select the display DTCs function on the scan tool for the body control module (BCM).
Does the scan tool display DTC C0277, C0278 or C0870?		 Go to Diagnostic Trouble Code (DTC) List - Vehicle Go to Step 2 
2 Select the display DTCs function on the scan tool for the EBCM.
Does the scan tool display DTC U1000 or U1064?		 Diagnostic Trouble Code (DTC) List - Vehicle Go to Step 3 
3  Verify the state of the brake lamps with the brake pedal RELEASED.
Are all of the stop lamps ON?		 Go to Stop Lamps Always On Go to Step 4 
4 Select the display DTCs function on the scan tool for the EBCM.
Does the scan tool display DTC C0131 or C0132?		 Go to Diagnostic Trouble Code (DTC) List - Vehicle Go to Step 5 
5
  1. Select the vehicle stability enhancement system (VSES) data display.
  2. In the data display, read the brake pressure value with the brake pedal NOT APPLIED.
Does the scan tool value read greater then 15 bars (218 psi)?		 Go to Brake Fluid Pressure Sensor Replacement  Go to Step 6 
6 Confirm that the brake pedal position sensor (BPPS) is adjusted to the correct position.
Is the BPPS adjustment correctly?		 Go to Step 7  Go to Learn Home Procedure in the BCM special function
7 
  1. Use the scan tool in order to clear the DTCs.
  2. Test drive the vehicle. Refer to Diagnostic Test Drive .
Did DTC C0161 reset?		 Go to Step 8  Go to Diagnostic Aids
8 Replace the BPPS. Refer to Brake Pedal Position Sensor Replacement .
Did you complete the replacement?		 Go to Step 9  -
9
  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 text.
Does the DTC reset?		 Go to Step 2  System OK
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