DTC Troubleshooting: U0128 (PGM - FI System (3.5L Engine)): Notes

DTC U0128  : PF-CAN Malfunction (Powertrain Control Module (PCM)-Electric Parking Brake Control Unit)

How to use this service information .

NOTICE: 

Before you troubleshoot, review the How to Troubleshoot - Refer to: How to Troubleshoot the Fuel and Emissions Systems (3.5L Engine)  or How to Troubleshoot the Fuel and Emissions Systems (3.0L Engine) .

NOTE: 

• DTC may be stored if the VSA modulator-control unit does not start normally.
• DTC may be stored due to the power/ground circuit failure of the VSA modulator-control unit. Before this troubleshooting, check the power/ground circuit of the VSA modulator-control unit first.