Electronic Brake Control Module: Service and Repair

Removal Procedure





1. Turn OFF the ignition.
2. Raise the vehicle. Refer to Vehicle Lifting.
3. Remove the left front wheel. Refer to Tire and Wheel Removal and Installation.
4. Remove the left front wheelhouse extension. Refer to Wheelhouse Extension Replacement in Body and Frame.
5. Remove the AIR pump (if equipped). Refer to Secondary AIR Injection Pump Replacement.
6. Rotate the EBCM connector tab up to the unlocked position.
7. Remove the EBCM connector position assurance (2) from the EBCM electrical connector (1).

Notice: To prevent equipment damage, never connect or disconnect the wiring harness connection from the EBCM with the ignition switch in the ON position.

8. Remove the EBCM electrical connector (1) from the EBCM (4).





9. Remove the BPMV electrical connector (2) from the EBCM (3).





10. Remove the 6 EBCM to BPMV screws (2).





11. Clean the surface of the EBCM/BPMV assembly.

Important: The EBCM cannot be repaired. If faulty, the unit must be replaced.

12. Separate the EBCM (2) from the BPMV (1).

Installation Procedure





1. Clean the seal surface of the BPMV.
2. Install the EBCM (2) to the BPMV (1).





Notice: Refer to Fastener Notice in Service Precautions.

3. Install the 6 EBCM to BPMV screws (2).
^ Tighten the 6 screws to 3.2 Nm (28 inch lbs.).





4. Install the BPMV electrical connector (2) to the EBCM (3).





Notice: To prevent equipment damage, never connect or disconnect the wiring harness connection from the EBCM with the ignition switch in the ON position.

5. Install the EBCM electrical connector (1) to the EBCM (4).
6. Install the EBCM connector position assurance (2) to the EBCM electrical connector (1).





7. Rotate the EBCM connector tab (2) down to the locked position.
8. Install the AIR pump (if equipped). Refer to Secondary AIR Injection Pump Replacement.
9. Install the left front wheelhouse extension. Refer to Wheelhouse Extension Replacement in Body and Frame.
10. Install the left front wheel. Refer to Tire and Wheel Removal and Installation in Body and Frame.
11. Lower the vehicle. Refer to Vehicle Lifting.

Important: An unprogrammed EBCM will result in the following conditions:
^ Inoperative or poorly functioning DRP/ABS/TCS/VSES/TIM/VES (if equipped)
^ Set DTC C1248 EBCM Turned the Red Brake Warning Indicator On
^ Set DTC C1255m3 EBCM Internal Malfunction

12. If a replacement EBCM is being installed, it must be programmed using the latest software matching the vehicle. Programming and Relearning
13. Use the scan tool in order to clear the DTCs.
14. Perform the ABS Diagnostic System Check. Refer to A Diagnostic System Check - ABS.