OBD-II code · Powertrain (generic, extended)
P2372 Fuel Volume Regulator B Control Circuit Low
Same as P2370 with the control line shorted to ground. 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 P2372?
Usually safe to drive in the short term. Get it diagnosed when convenient, sooner if the car drives differently.
Common causes
- Most likelyControl line shorted to ground
- PossibleRegulator solenoid shorted internally
- Less likelyConnector pins corroded - high contact resistance
Repair at a glance
- Difficulty
- Medium
- DIY friendly
- Best left to a mechanic
- Typical labour
- 1–3 h
- Emissions test
- Likely to fail
- Parts involved
- Fuel Volume Regulator B, High Pressure Pump B
Related codes
- P0003Fuel Volume Regulator A Control Circuit Low
- P236FCylinder 12 Combustion Performance
- P2370Fuel Volume Regulator B Control Circuit Open
- P2371Fuel Volume Regulator B Control Circuit Performance
- P2373Fuel Volume Regulator B Control Circuit High
- P2374Turbocharger Inlet Pressure Sensor B Circuit
- P2375Turbocharger Inlet Pressure Sensor B Circuit Range or Performance
Code data: OBDex open dataset (CC0). Labour times are typical ranges, not a quote.