OBD-II code · Powertrain (generic)

P0579 Cruise Control Multi-Function Input A Circuit Range or Performance

Same as P0564 with the analogue level inside the plausible range yet not matching any of the calibrated button levels - resistor ladder drifted, contact resistance increased, or wrong stalk module fitted.

Is it safe to drive with P0579?

Usually safe to drive in the short term. Get it diagnosed when convenient, sooner if the car drives differently.

Common causes

  • Most likelyResistor ladder drifted

Repair at a glance

Difficulty
Medium
DIY friendly
Often, with basic tools
Typical labour
0.5–1.8 h
Emissions test
Usually unaffected
Parts involved
Cruise Control Stalk

Code data: OBDex open dataset (CC0). Labour times are typical ranges, not a quote.