Powertrain
generic / SAE
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.
SystemPowertrain
Typegeneric / SAE
GroupP2
Range / number3 / 72
Possible causes
- Control line shorted to ground high
- Regulator solenoid shorted internally medium
- Connector pins corroded - high contact resistance low
Inspection / repair
- Difficulty: medium
- DIY: shop recommended
- Estimated cost: 200–800 €
- Estimated time: 1–3 h
- Component: fuel volume regulator b
- Component: high pressure pump b
- MIL / check engine light
- emissions-relevant
Sources
References
sae:J2012