DTC Troubleshooting: U0155 (PGM - FI System (3.5L Engine)): Notes

DTC U0155  : PF-CAN Malfunction (Powertrain Control Module (PCM)-Gauge Control Module)

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 gauge control module does not start normally.
• DTC may be stored due to the power/ground circuit failure of the gauge control module. Before this troubleshooting, check the power/ground circuit of the gauge control module first.