Check the Supplies and Grounds to the Park Brake Module (EPB)

: CHECK THE SUPPLIES AND GROUNDS TO THE ELECTRONIC PARK BRAKE MODULE (EPB)

G239843t80 : CHECK THE PERMANENT SUPPLY TO THE EPB
1. Disconnect the EPB electrical connector, CR50.
2. Measure the voltage between CR50, pin 01 (NW) and GROUND.

- Is the voltage less than 10 volts?

-> Yes
REPAIR the circuit between the EPB and battery. This circuit includes the rear power distribution box (fuse 32). TEST the system for normal operation.

-> No

G239843t81 : CHECK THE GROUND TO THE EPB
1. Measure the resistance between CR50, pin 04 (B) and GROUND.

- Is the resistance greater than 5 ohms?

-> Yes
REPAIR the high resistance circuit. TEST the system for normal operation.

-> No
CHECK for DTCs indicating a network or module fault. REFER to the DTC index.