U3011
Ignition Input Off
U3011 is an OBD-II diagnostic trouble code meaning: Ignition Input Off. Common causes: open or short circuit in the ignition circuit, faulty ignition module. Estimated repair cost: $17–167.
Symptoms
- Engine won't start
- Unstable engine operation
- Check Engine Light Is On
- Loss of engine power
Causes
- Open or short circuit in the ignition circuit
- Faulty ignition module
- Problems with the ignition relay
- ECM malfunction
How to Fix
- Check the ignition circuit for an open or short circuit.
- Check the resistance of the ignition coil
- Check the operation of the ignition relay
- Check ECM status
Error U3011 by Vehicle Brand
FAQ
What does the U3011 code mean?
U3011 is an OBD-II diagnostic trouble code that indicates: Ignition Input Off
What causes a U3011 error code?
The most common causes of U3011 include: Open or short circuit in the ignition circuit; Faulty ignition module; Problems with the ignition relay; ECM malfunction.
How do I fix a U3011 diagnostic trouble code?
To fix U3011: Check the ignition circuit for an open or short circuit.. Check the resistance of the ignition coil. Check the operation of the ignition relay. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with U3011?
Do not drive — repair immediately
How much does it cost to fix U3011?
The estimated repair cost for U3011 is $17–167. Actual cost depends on your vehicle, location, and labor rates.
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