U046D
Invalid Data Received from Fuel Pump Control Module B
U046D is an OBD-II diagnostic trouble code meaning: Invalid Data Received from Fuel Pump Control Module B. Common causes: fuel pump control module b malfunction, problems in the module electrical circuit. Estimated repair cost: $56–167.
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
Error U046D by Vehicle Brand
FAQ
What does the U046D code mean?
U046D is an OBD-II diagnostic trouble code that indicates: Invalid Data Received from Fuel Pump Control Module B
What causes a U046D error code?
The most common causes of U046D include: Fuel pump control module B malfunction; Problems in the module electrical circuit; Poor contacts or corroded connectors; Software error in the ECU.
How do I fix a U046D diagnostic trouble code?
To fix U046D: Check the condition of the module connectors and wiring. Scan the system for other errors. Check the power supply and ground of the module. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with U046D?
Limited driving only, diagnose soon
How much does it cost to fix U046D?
The estimated repair cost for U046D is $56–167. Actual cost depends on your vehicle, location, and labor rates.
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