Powertrain
generic / SAE
P0577
Cruise Control Input Circuit High
Same as P0575 with the input voltage above the plausible range. Wiring faults of this kind typically come from chafing, water ingress at connector seals, or pin push-back — a wiggle test on the harness while the code is active often confirms the location.
SystemPowertrain
Typegeneric / SAE
GroupP0
Range / number5 / 77
Possible causes
- Input shorted to supply high
- Connector pins corroded - high contact resistance low
- Supply wire pinched against B+ source low
Inspection / repair
- Difficulty: easy
- DIY: possible
- Estimated cost: 60–250 €
- Estimated time: 0.3–1.2 h
- Component: cruise input switch
- MIL / check engine light
Sources
References
sae:J2012