OBD-II code · Powertrain (generic, extended)
P2773 Four Wheel Drive (4WD) Low Switch Circuit Low
Voltage on the 4WD-Low switch line is below the expected window. Usually a short to ground or a stuck-closed switch.
Is it safe to drive with P2773?
Usually safe to drive in the short term. Get it diagnosed when convenient, sooner if the car drives differently.
Common causes
- Most likelySwitch wire shorted to ground
- PossibleSwitch stuck in closed position
- Less likelyConnector pins corroded - high contact resistance
Repair at a glance
- Difficulty
- Easy
- DIY friendly
- Often, with basic tools
- Typical labour
- 0.5–2 h
- Emissions test
- Usually unaffected
- Parts involved
- Four Wd Low Switch, Wiring Harness
Related codes
Code data: OBDex open dataset (CC0). Labour times are typical ranges, not a quote.