DTC U3003-17 (Electric Brake Booster Control Unit)

WARNING: This page is about a different car, the 2022 Honda Accord, 2021 Honda Accord, 2020 Honda Accord, 2019 Honda Accord, and 2018 Honda Accord. However, it is still accessible from the selected car via links, so may be relevant.

DTC U3003-17 : Brake Booster Control Unit Power Circuit (+B) High Voltage

NOTE: Before you troubleshoot, review the general troubleshooting information .

DTC Description	DTC	Freeze Frame
U3003-17 Brake Booster Control Unit Power Circuit (+B) High Voltage

DTC (Electric brake booster)

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 wait 5 seconds or more.

NOTE: Do not open and close the driver's door.

-4. Turn the vehicle to the ON mode.

-5. Check for DTCs with the HDS.

DTC Description	DTC	Freeze Frame
U3003-17 Brake Booster Control Unit Power Circuit (+B) High Voltage

Is DTC U3003-17 indicated?

YES

The failure is duplicated. Go to step 2.

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.

PGM-FI system DTCs check

-1. Check for DTCs with the HDS.

DTC Description	Confirmed DTC	Pending DTC

DTC (PGM-FI)

Is DTC indicated?

YES

Go to indicated DTC's troubleshooting.

Check for loose terminals and poor connections in the electric brake booster 26P connector. Check for any authorized service information related to the DTCs or symptoms you are troubleshooting. If they are OK, replace the electric brake booster .