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Home >> GMC >> 2007 >> Acadia SLT, AWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 224 (Antilock Brake System, Traction Control System & Stability Control System) >> Diagnostic Information and Procedures >> DTC B0665 >> Test Description
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Test Description

WARNING: This page is about a different car, the 2007 Cadillac SRX. 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:  Use the scan tool to verify the normal state of the ABS indicator signal circuit.
  2. 3:  Ensure that the instrument panel cluster can operate the ABS indicator.
DTC B0665

Step Action Yes No
Schematic Reference: Antilock Brake System Schematics 
Connector End View Reference: Antilock Brake System Connector End Views  or Displays and Gages Connector End Views
1 Did you perform the Diagnostic System Check - Vehicle? Go to Step 2  Go to Diagnostic System Check - Vehicle
  1. Install a scan tool.
  2. Turn ON the ignition, with the engine OFF.
  3. With a scan tool, observe the ABS Warning Indicator parameter in the DRP/ABS/TCS/VSES data list.
Does the scan tool display Off?
Go to Step 3  Go to Step 4 
  1. Turn OFF the ignition.
  2. Turn ON the ignition, with the engine OFF.
  3. Observe the antilock brake system (ABS) indicator on the instrument panel cluster (IPC) during the bulb check.
Does the ABS indicator illuminate during the bulb check?
Go to Step 4  Go to Step 6 
4 Test the ABS indicator signal circuit of the electronic brake control module (EBCM) for the following conditions:
  • An open
  • A short to ground
  • A short to voltage

Refer to Circuit Testing and Wiring Repairs .
Did you find and correct the condition?
Go to Step 9  Go to Step 5 
5 Inspect for poor connections at the harness connector of the EBCM. Refer to Testing for Intermittent Conditions and Poor Connections and Connector Repairs .
Did you find and correct the condition?
Go to Step 9  Go to Step 7 
6 Inspect for poor connections at the harness connector of the instrument panel cluster. Refer to Testing for Intermittent Conditions and Poor Connections and Connector Repairs .
Did you find and correct the condition?
Go to Step 9  Go to Step 8 
7 Replace the EBCM. Refer to Control Module References for replacement, setup, and programming.
Did you complete the replacement?
Go to Step 9  -
8 Replace the IPC. Refer to Control Module References for replacement, setup, and programming.
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