DTC 149 - Fuel Level Sending Unit Volts Too Low

NOTE: For component terminal identification, see TERMINAL IDENTIFICATION in this article. For wiring diagrams, see WIRING DIAGRAMS section.

Check fuel gauge. See INSTRUMENT PANEL article in ACCESSORIES & EQUIPMENT section. If fuel gauge is okay, go to next step.
Check PCM connector, junction connectors, fuel gauge sending unit connector and wiring harness between PCM and fuel gauge sending unit. If wiring and connectors are okay, replace PCM.