OBD-II code · Powertrain (generic)
P0105 Manifold Absolute Pressure / Barometric Pressure Circuit Malfunction
The ECU detects a general electrical malfunction in the manifold absolute pressure (MAP) or barometric pressure sensor circuit. Signal missing, implausible, or wiring broken. Generic fault when no more specific MAP code applies.
Is it safe to drive with P0105?
Usually safe to drive in the short term. Get it diagnosed when convenient, sooner if the car drives differently.
Common causes
- Most likelyMAP sensor failed
- PossibleVacuum hose to MAP sensor cracked or disconnected
- PossibleMAP wiring or connector fault
Repair at a glance
- Difficulty
- Easy
- DIY friendly
- Often, with basic tools
- Typical labour
- 0.3–1 h
- Emissions test
- Likely to fail
- After the fix
- A drive cycle is needed before the light stays off
- Parts involved
- Map Sensor, Barometric Pressure Sensor, Map Wiring, Vacuum Hose
Related codes
Code data: OBDex open dataset (CC0). Labour times are typical ranges, not a quote.