Powertrain
generic / SAE
P2677
Air Cleaner Inlet Control Circuit High
Voltage on the air cleaner inlet valve control line is above the expected window. 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
GroupP2
Range / number6 / 77
Possible causes
- Control wire shorted to B+ high
- Open solenoid coil medium
- Connector pins corroded - high contact resistance low
Inspection / repair
- Difficulty: easy
- DIY: possible
- Estimated cost: 60–400 €
- Estimated time: 0.5–2 h
- Component: air cleaner inlet valve
- Component: solenoid
- Component: wiring harness
- MIL / check engine light
Sources
References
sae:J2012