P010CMass or Volume Air Flow Sensor B Circuit Low
- Generic OBD-II code · Powertrain
- Turns on the check-engine light
- Matters for the ITP
- Can trigger limp mode
- Needs a drive cycle to confirm a fix
- How the car detects it
- Sensor B is a second mass air flow sensor in a second intake path, found on engines with two air filter boxes – for example the Nissan VR30DDTT twin-turbo V6 (where sensor B belongs to bank 2) or GM's 3.0 litre twin-turbo V6. P010C means the signal of sensor B is below its electrical lower limit – the counterpart of P0102. GM's twin-turbo V6 sets it at 400 Hz or less (300 failed out of 375 samples, two trips); Ford's digital sensor B below 1.5 kHz for 5 s. The usual causes are an open or grounded signal wire, a corroded connector, missing supply or failed sensor electronics. The engine continues with a calculated substitute value.
- What you may notice
- Check engine light on
- Lack of power, substitute value mode
- Rough idle, hesitation
- Likely causes
- LikelySignal wire of sensor B open or grounded, connector corroded
- LikelySensor B electronics failed
- PossibleSupply or ground of sensor B faulty
- RareControl module input faulty
- Inspection (ITP)
- Matters for the ITP. While the check-engine light is on, the car fails the emissions check.
- Repair
- Easy · Often possible to do yourself.Typical cost: €20 – €350
- Related codes
Explanation from obdex (CC0), exactly as the app shows it. Guidance only; confirm with a workshop.