Honda HR-V: DTC Troubleshooting U0401-68: PCM Malfunction
NOTE: Before you troubleshoot, review the how to troubleshoot the electric parking brake system.
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1. Problem verification:
- Turn the vehicle to the ON mode.
- Clear the DTC with the HDS.
- Turn the vehicle to the OFF (LOCK) mode, then to the ON mode.
- Check for DTCs with the HDS.
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Is DTC U0401-68 indicated?
YES
The failure is duplicated. Go to PGM-FI system troubleshooting - 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 U0402-68: TCM MALFUNCTION (ELECTRIC PARKING BRAKE CONTROL UNIT)
NOTE: Before you troubleshoot, review the how to troubleshoot the electric parking brake system.
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1. Problem verification:
- Turn the vehicle to the ON mode.
- Clear the DTC with the HDS.
- Turn the vehicle to the OFF (LOCK) mode, then to the ON mode.
- Check for DTCs with the HDS.
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Is DTC U0402-68 indicated?
YES
The failure is duplicated. Go to CVT system troubleshooting - 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 U0416-68, U0416-F8: VSA SYSTEM MALFUNCTION (ELECTRIC PARKING BRAKE CONTROL UNIT)
NOTE: Before you troubleshoot, review the how to troubleshoot the electric parking brake system.
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1. Problem verification:
- Turn the vehicle to the ON mode.
- Clear the DTC with the HDS.
- Turn the vehicle to the OFF (LOCK) mode, then to the ON mode.
- Check for DTCs with the HDS.
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Is DTC U0416-68 or U0416-F8 indicated?
YES
The failure is duplicated. Go to VSA system troubleshooting.
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.
READ NEXT:
DTC Troubleshooting U3000-49: Electric Parking Brake Control Unit
Internal Circuit Malfunction
NOTE: Before you troubleshoot, review the how to troubleshoot the
electric parking brake system.
1. Problem verification:
Turn the vehicle to the ON mode.
Clear the DTC with the HDS.
Turn the ve
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:
Turn the vehicle to the ON mode.
Clear the DTC with the HDS.
Turn the vehic
DTC Troubleshooting U3003-68: Electric Parking Brake Control Unit
Internal Circuit Malfunction (Power Self-Holding Circuit)
NOTE: Before you troubleshoot, review the how to troubleshoot the
electric parking brake system.
1. Problem verification:
Turn the vehicle to the ON mode.
Clear the DTC with the HDS.
Turn the ve
SEE MORE:
Accessory Power Sockets Electronic Wiring Diagram
Refer to appropriate wiring diagram. System Wiring Diagrams
GROUND CABLE ELECTRONIC WIRING DIAGRAM
Refer to appropriate wiring diagram. System Wiring Diagrams
PARASITIC DRAW CHECK
Special Tools Required
LH41 AC/DC low current clamp meter, FLULH41A**: Available through the Acura
Tool and Equipment
P
Interpreting A Voltage Controlled Pattern
NOTE: Voltage controlled drivers are also known as "Saturated Switch"
drivers. They
typically require injector circuits with a total leg resistance of 12 ohms or
more.
NOTE: This example is based on a constant power/switched ground circuit.
See Fig. 2 for pattern that the following text describe
