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Home >> Hummer >> 2008 >> H2 4D Utility Wagon >> Repair and Diagnosis >> External Pages >> Different car >> Section 115 (Antilock Brake System, Traction Control System & Stability Control System) >> Diagnostic Information and Procedures >> DTC C0110 (Over 8600 GVW) >> Diagnostic Aids

Diagnostic Aids

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Separate the EBCM from the brake pressure modulator valve (BPMV) in order to inspect for corrosion or any other condition that may cause a poor connection at the pump motor connector. Refer to Electronic Brake Control Module Replacement (W/JL4)  or Electronic Brake Control Module Replacement (W/O JL4)  and Testing for Intermittent Conditions and Poor Connections . If severe corrosion or other damage exists, the BPMV or the EBCM may need to be replaced.

DTC C0110 (Over 8600 GVW)

Step Action 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 in Vehicle DTC Information
2 Use a scan tool in order to clear the DTCs.
Does the DTC reset?		 Go to Step 3  Go to Diagnostic Aids
3
  1. Separate the electronic brake control module (EBCM) from the brake pedal modulator valve (BPMV). Refer to Electronic Brake Control Module Replacement (W/JL4)  or Electronic Brake Control Module Replacement (W/O JL4) .
  2. Inspect for poor connections at the pump motor connector. Refer to Testing for Intermittent Conditions and Poor Connections and Connector Repairs .
Did you find and correct the condition?		 Go to Step 5  Go to Step 4 
4
IMPORTANT: Following EBCM replacement, use the scan tool to perform the Tire Size Calibration procedure.
  1. Replace the EBCM, refer to Control Module References for replacement, setup, and programming.
  2. Replace the BPMV, refer to Brake Pressure Modulator Valve Replacement (W/JL4)  or Brake Pressure Modulator Valve Replacement (W/O JL4) .
Did you complete the replacements?		 Go to Step 5  -
5
  1. Use a 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 3  System OK
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