DTC Troubleshooting: U0298 (PGM - FI System (3.5L Engine)) (2025): Notes

DTC U0298  : PGM-FI - DC-DC LIN Communication Error

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) .