U3001
Control Module Improper Shutdown Performance
The control module did not complete its shutdown sequence cleanly — power was lost before housekeeping (saving learned values, freeze frames, adaptations) finished.
The control module did not complete its shutdown sequence cleanly — power was lost before housekeeping (saving learned values, freeze frames, adaptations) finished.
Common causes
- high
Power supply lost before shutdown completed
One of the most commonly reported causes for this code — check this first.
Typical part cost: $60-550
- medium
Bad ground connection
A plausible cause — test and verify before replacing parts.
Typical part cost: $60-550
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First things to check
- 1Confirm the code with a scan tool and check for additional related codes.
- 2Inspect the relevant sensors, wiring, and connectors for damage or corrosion.
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Related codes
See related trouble codes
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Frequently asked questions
What does U3001 mean?
U3001 means "Control Module Improper Shutdown Performance". It is a generic OBD-II code that points to a fault in the network / communication.
What are the most common causes of U3001?
power supply lost before shutdown completed; bad ground connection; gateway module routing can messages incorrectly — these are the most commonly reported causes. Verify with a proper diagnosis before replacing parts, or use the Wrenchify app for a vehicle-specific diagnosis.
Can I keep driving with this code?
The vehicle is usually drivable for short distances, but the problem can worsen or affect emissions. Diagnose and repair as soon as practical. Use the Wrenchify app for a full diagnosis specific to your vehicle.
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