P0581
Cruise Control Multi-Function Input A Circuit High
P0581 is an OBD-II diagnostic trouble code meaning: Cruise Control Multi-Function Input A Circuit High. Common causes: short circuit to +12v in the control circuit, broken or damaged wiring harness. Estimated repair cost: $33–167.
Symptoms
- Inability to activate cruise control
- Spontaneous shutdown of cruise control
- Check Engine Light Illuminates
Causes
- Short circuit to +12V in the control circuit
- Broken or damaged wiring harness
- Malfunctioning brake/clutch switches
- Problems with the cruise control module
- Corrosion of contacts in connectors
How to Fix
- Check the integrity of the cruise control system wiring harness
- Measure resistance and voltage at circuit test points
- Test the operation of the brake/clutch switches
- Inspect and clean connector contacts
- Replace damaged components if necessary
Related codes
Error P0581 by Vehicle Brand
FAQ
What does the P0581 code mean?
P0581 is an OBD-II diagnostic trouble code that indicates: Cruise Control Multi-Function Input A Circuit High
What causes a P0581 error code?
The most common causes of P0581 include: Short circuit to +12V in the control circuit; Broken or damaged wiring harness; Malfunctioning brake/clutch switches; Problems with the cruise control module.
How do I fix a P0581 diagnostic trouble code?
To fix P0581: Check the integrity of the cruise control system wiring harness. Measure resistance and voltage at circuit test points. Test the operation of the brake/clutch switches. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with P0581?
Yes, but get it checked soon
How much does it cost to fix P0581?
The estimated repair cost for P0581 is $33–167. Actual cost depends on your vehicle, location, and labor rates.
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