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EPB Troubleshooting Guide
Section 1
Operation & Overview
Normal Operation
Under normal operation, the EPB Calipers will be deactivated when all of the following conditions are met:
- Ignition is on / vehicle is running
- All safety criteria are met
- Foot is on brake pedal
- Door is closed
- Handbrake not applied
- Seatbelt is on
- EPB switch is pressed downwards / away
Switch Operation
Place your finger on the silver part of the switch and push inwards to operate.
Common issue: "I am in the driver's seat and the handbrake won't release." — Ensure all safety criteria listed above are fully met before troubleshooting further.
Section 2
Common Faults & Checks
Common Issue
"I am in the driver's seat and the handbrake won't release."
If the EPB system is not functioning — follow this order
- Complete basic checks
- Complete applicable reset procedures. NOTE: If fault not found, please take your vehicle to the workshop technician.
- Use troubleshooting guide to assist in identifying the issue
- Component process of elimination — replace the following ONE at a time to determine where the issue may be:
EPB Module
Interface Module
EPB Caliper Motors
EPB Switch
Battery (12V)
Common Faults
Common reasons for the EPB to not operate correctly are:
- Not all the safety criteria are met
- Low battery voltage &/or poor terminal connection (Positive / Negative)
- Calipers are out of sync
- Caliper motor plugs are damaged / not connected correctly
- Wiring loom damaged or installed incorrectly
- O.E. vehicle fuses are blown (only applicable for interface module)
- Vehicle has other aftermarket accessories added and is interfering with the EPB
Tip: Use the fault diagnosis tool in Section 4 below to narrow down the specific cause based on your vehicle's behaviour.
Section 3
Reset Procedures
Available Reset Procedures
There are multiple reset procedures that can assist with resolving issues of the EPB system. Apply these in order before proceeding to the full troubleshooting guide.
1
Power disconnect / reconnect procedure
2
Fuse removal procedure
3
Caliper reset procedure
4
Module reset procedure
Important: When performing the Module Reset Procedure, the first action must always be to Deactivate the calipers. The process may need to be repeated a few times. If the reset does not release the calipers, proceed with the manual windback procedure (reference document).
Section 4
Fault Diagnosis Tool
How to use this tool
- Enter your vehicle's diagnostic results using the Yes / No toggles
- Select the issue description that best matches your situation
- Review the potential causes and click each to expand the solution steps
Step 1 Enter vehicle diagnostic results
Data input — vehicle diagnostic results
EPB / Dash light is flashing
Calipers are engaging / operating
Vehicle Diagnostics Summary
Select Yes / No above to see your diagnostic result
Step 2 Select the issue description
Issue descriptions — select the one that matches your situation
Step 3 Potential causes & solutions
Need further assistance?
Our technical support team is available to help diagnose and resolve EPB system issues.