U3006
Control Module Input Power A Circuit/Open
U3006 is an OBD-II diagnostic trouble code meaning: Control Module Input Power A Circuit/Open. Common causes: open circuit in the module power supply, poor contact in connectors. Estimated repair cost: $17–167.
Symptoms
- Check Engine Light Is On
- Problems starting the engine
- Lost communication with control module
- Unstable operation of vehicle systems
- Failure of various electronic functions
Causes
- Open circuit in the module power supply
- Poor contact in connectors
- Blown fuse
- Short circuit in the circuit
- Malfunction of the control module itself
How to Fix
- Check and replace power supply fuse
- Inspect the wiring harness for damage
- Check the quality of contacts in the connectors
- Measure the voltage at the module power input
- If necessary, replace the control module
Related codes
Error U3006 by Vehicle Brand
FAQ
What does the U3006 code mean?
U3006 is an OBD-II diagnostic trouble code that indicates: Control Module Input Power A Circuit/Open
What causes a U3006 error code?
The most common causes of U3006 include: Open circuit in the module power supply; Poor contact in connectors; Blown fuse; Short circuit in the circuit.
How do I fix a U3006 diagnostic trouble code?
To fix U3006: Check and replace power supply fuse. Inspect the wiring harness for damage. Check the quality of contacts in the connectors. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with U3006?
Do not drive — repair immediately
How much does it cost to fix U3006?
The estimated repair cost for U3006 is $17–167. Actual cost depends on your vehicle, location, and labor rates.
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