Replacing Ford Mustang EPB connector

Some 2021-2022 Ford Mustang Mach-E vehicles built on or before March 15, 2022, may exhibit a Parking Brake Fault Service Now message.

DTCs C2007, C2008, C1034, U0293 and/or U0100 may be found in the ABS module. This may be due to an open/corroded circuit near the rear brake caliper(s). The correction involves replacing the electronic parking brake (EPB) connector.

1. Remove the rear wheels.

2. Remove the tape and the conduit on the wiring harness to both left and right rear brake calipers.

3. Inspect the wiring for damage or open circuit.

4. If damage is found, disconnect the EPB connector (left C4CB16 and/or right C4CB18) from the back of the caliper(s).

5. Detach the clips retaining the harness to the trailing arm(s).

6. Remove the straps securing the retainers to the harness.

7. Starting near the connector, remove the conduit for about 12 inches. Note that EPB circuits are polarized. Inverted circuit location can result in incorrect operation.

8. Replace the connector(s).

9. Reinstall the conduit and trim the conduit length 1.2 inches from the EPB connector.

10. Tape the wiring harness.

11. Install the tie straps securing the retainers to the harness with elbow retainer in proper length of 3.5 inches from the EPB connector.

12. Attach the clips to the trailing arm.

13. Connect the EPB connector and install the rear wheels.

CONNECTOR CHART

CONNECTOR                    PIN                  CIRCUIT              COLOR

Left C4CB16...................... 1 ...................CCB17B...............BU/GN

Left C4CB16...................... 2 ...................CCB16B..............WH/VT

Right C4CB18.................... 1 ...................CCB19B..............GN/BN

Right C4CB18.................... 2 ...................CCB18B...............YE/GY