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Home >> GMC >> 2007 >> Acadia SLE, AWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 114 (Antilock Brake System, Traction Control System & Stability Control System) >> Diagnostic Information and Procedures >> DTC C0899 >> Test Description

Test Description

WARNING: This page is about a different car, the 2007 Cadillac CTS. 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 in order to inspect the voltage to the EBCM.
  2. 3:  Use the scan tool in order to inspect the voltage to the body control module (BCM). A low voltage value in multiple modules indicates a concern in the charging system.
  3. 5:  This step verifies that the condition is still present.
DTC C0899

Step Action Values Yes No
Schematic Reference: Antilock Brake System Schematics 
Connector End View Reference: Antilock Brake System Connector End Views 
1 Did you perform the Diagnostic System Check - Vehicle? - Go to Step 2  Go to Diagnostic System Check - Vehicle
2 
  1. Install a scan tool.
  2. Start the engine.
  3. With a scan tool, observe the Switched System Battery Voltage parameter in the ABS data list.
Does the scan tool indicate the voltage is greater than the specified value?		 10.5 V Go to Diagnostic Aids In This Test Go to Step 3 
3  With a scan tool, observe the Battery Volts parameter in the body control module data list.
Does the scan tool indicate the voltage is greater than the specified value?		 10.5 V Go to Step 4  Go to Diagnostic System Check - Vehicle
4
  1. Turn OFF the ignition.
  2. Disconnect the electronic brake control module (EBCM) harness connector.
  3. Install the J 39700  Universal Pinout Box using the J 39700-300  Cable Adaptor to the EBCM harness connector only. See Special Tools .
  4. Test the ground circuits of the EBCM including the EBCM ground for a high resistance or an open. Refer to Circuit Testing and Wiring Repairs .
Did you find and correct the condition?		 - Go to Step 7  Go to Step 5 
5 
  1. Connect the EBCM harness connector.
  2. Turn ON the ignition, with the engine OFF.
  3. Use the scan tool in order to clear the DTCs.
  4. Operate the vehicle within the Conditions for Running the DTC as specified in the supporting text.
Does the DTC reset?		 - Go to Step 6  Go to Diagnostic Aids In This Test
6 Replace the 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 text.
Does the DTC reset?		 - Go to Step 2  System OK
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