Honda HR-V: DTC Troubleshooting U3003-16: Electric Parking Brake Control Unit Power Source Circuit (+B) Low Voltage

NOTE: Before you troubleshoot, review the how to troubleshoot the electric parking brake system.

Problem verification:

1. Turn the vehicle to the ON mode.
2. Clear the DTC with the HDS.
3. Turn the vehicle to the OFF (LOCK) mode, then to the ON mode.
4. Check for DTCs with the HDS.

Is DTC U3003-16 indicated?

YES

The failure is duplicated. Check the 12 volt battery, and check the PGM-FI DTCs - Refer to: How to Troubleshoot the Fuel and Emissions Systems, or How to Troubleshoot the CVT System (CVT).

NO

Intermittent failure, the system is OK at this time. Refer to intermittent failures troubleshooting. If the freeze data/on-board snapshot of this DTC is recorded, try to reproduce the failure under the same conditions with the Freeze data/on-board snapshot.

DTC TROUBLESHOOTING U3003-17: ELECTRIC PARKING BRAKE CONTROL UNIT POWER SOURCE CIRCUIT (+B) HIGH VOLTAGE

NOTE:

• This DTC detected when connecting the high voltage battery (24 V) to the vehicle.
• Before you troubleshoot, review the how to troubleshoot the electric parking brake system.

1. Problem verification:

1. Turn the vehicle to the ON mode.
2. Clear the DTC with the HDS.
3. Turn the vehicle to the OFF (LOCK) mode, then to the ON mode.
4. Check for DTCs with the HDS.

Is DTC U3003-17 indicated?

YES

The failure is duplicated. Check the 12 volt battery, and check the PGM-FI DTCs - Refer to: How to Troubleshoot the Fuel and Emissions Systems, or How to Troubleshoot the CVT System (CVT).

NO

Intermittent failure, the system is OK at this time. Refer to intermittent failures troubleshooting. If the freeze data/on-board snapshot of this DTC is recorded, try to reproduce the failure under the same conditions with the Freeze data/on-board snapshot.

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