OBD-II code · Powertrain (generic)
P010D Mass or Volume Air Flow Sensor B Circuit High
MAF B signal voltage above expected 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.
Is it safe to drive with P010D?
Usually safe to drive in the short term. Get it diagnosed when convenient, sooner if the car drives differently.
Common causes
- Most likelySignal wire open
- Less likelyConnector pins corroded - high contact resistance
- Less likelySupply wire pinched against B+ source
Repair at a glance
- Difficulty
- Easy
- DIY friendly
- Often, with basic tools
- Typical labour
- 0.3–2 h
- Emissions test
- Likely to fail
- Parts involved
- Mass Air Flow Sensor B, Sensor Wiring
Related codes
- P010AMass or Volume Air Flow Sensor B Circuit
- P010BMass or Volume Air Flow Sensor B Circuit Range/Performance
- P010CMass or Volume Air Flow Sensor B Circuit Low
- P010EMass or Volume Air Flow Sensor B Circuit Intermittent/Erratic
- P010FMass or Volume Air Flow Sensor A/B Correlation
- P0110Intake Air Temperature Sensor Circuit Malfunction
Code data: OBDex open dataset (CC0). Labour times are typical ranges, not a quote.