OBD-II code · Powertrain (generic, extended)
P24F0 Control Module Wake-up Circuit Low
The wake-up input on the control module reads stuck low — usually a short to ground or a permanently asserted wake signal. The module either keeps waking up unnecessarily and drains the battery, or it cannot distinguish a real wake event from the stuck low level.
Is it safe to drive with P24F0?
Usually safe to drive in the short term. Get it diagnosed when convenient, sooner if the car drives differently.
Common causes
- Most likelyWake-up wire shorted to ground
- PossibleDoor, hood or terminal switch stuck closed
- Less likelyConnector pins corroded - high contact resistance
Repair at a glance
- Difficulty
- Medium
- DIY friendly
- Best left to a mechanic
- Typical labour
- 0.4–1.5 h
- Emissions test
- Usually unaffected
- Parts involved
- Wake Up Circuit, Control Module
Code data: OBDex open dataset (CC0). Labour times are typical ranges, not a quote.