U046D

Invalid Data Received from Fuel Pump Control Module B

Severity

⚠️ Medium

Can you drive?

Limited driving only, diagnose soon

Approx. repair cost

$56–167 (est.)

Symptoms

Difficulty starting the engine
Loss of engine power
Stalling engine
Increased fuel consumption
Check Engine Light Is On

Causes

Fuel pump control module B malfunction
Problems in the module electrical circuit
Poor contacts or corroded connectors
Software error in the ECU
Wiring harness damage

How to Fix

Check the condition of the module connectors and wiring
Scan the system for other errors
Check the power supply and ground of the module
Test or replace fuel pump control module B
Update ECU software if necessary

Related codes

U046C U046E U046F