Cruise Control Multi-Function Input A Circuit Low
The P0580 code means the vehicle's onboard diagnostic system has detected: Cruise Control Multi-Function Input A Circuit Low. This is a low severity code.
- Keep driving?
- Yes, but fix soon
- DIY difficulty
- moderate
- Estimated cost
- $50 - $400 (parts and labor)
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Common Symptoms
- Check Engine Light on
- Cruise control A input reads low voltage
- Cruise control system inoperative
- No response from cruise control buttons
Probable Causes (Ranked by Likelihood)
- Short to ground in cruise multi-function A circuit Very High
- Wiring damage or corrosion in the circuit High
- Poor connector contact or backed-out pins Moderate
- ECM or control module circuit failure Low
Step-by-Step Diagnostic Procedure
-
Use a scan tool to read Cruise Control Multi-Function Input A related data
-
Inspect all related wiring and connectors for damage, corrosion, or loose connections
-
Measure circuit voltage and resistance to identify opens, shorts, or high resistance
-
Command the affected component with a scan tool to verify it responds to ECM commands
Frequently Asked Questions
What does P0580 mean?
P0580 indicates a malfunction in the cruise control multi-function input a circuit low. This prevents the cruise control system from operating correctly.
Can I still drive with this cruise control code?
Yes. Cruise control codes do not affect normal vehicle operation. The vehicle drives normally; only the cruise control convenience feature is affected.
Should I fix a cruise control code right away?
Cruise control codes are low priority for drivability and safety. However, the Check Engine Light may mask other more serious codes. Consider diagnosis when convenient.
Sources
This page is built from documented references. Verify against your own service info before repair work.
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