OBD Guide

P2372

Fuel Volume Regulator B Control Circuit Low

P2372 is an OBD-II diagnostic trouble code meaning: Fuel Volume Regulator B Control Circuit Low. Common causes: open or short circuit in the regulator control circuit, malfunction of fuel volume regulator b. Estimated repair cost: $17–56.

Severity
⚠️ Medium
Can you drive?
Yes, but get it checked soon
Approx. repair cost
$17–56 (est.)

Symptoms

  • Increased fuel consumption
  • Reduced engine power
  • Unstable engine idling
  • Difficulty starting the engine
  • Check Engine Light Is On

Causes

  • Open or short circuit in the regulator control circuit
  • Malfunction of fuel volume regulator B
  • Problems with the wiring harness or connectors
  • Malfunction of the engine control unit (ECU)
  • Poor grounding in the circuit

How to Fix

  1. Check the integrity of the regulator control circuit
  2. Check connectors and wiring harness for damage
  3. Check the operation of the fuel volume regulator B
  4. Check grounding in the circuit
  5. If necessary, replace the regulator or repair the circuit

Related codes

Error P2372 by Vehicle Brand

FAQ

What does the P2372 code mean?

P2372 is an OBD-II diagnostic trouble code that indicates: Fuel Volume Regulator B Control Circuit Low

What causes a P2372 error code?

The most common causes of P2372 include: Open or short circuit in the regulator control circuit; Malfunction of fuel volume regulator B; Problems with the wiring harness or connectors; Malfunction of the engine control unit (ECU).

How do I fix a P2372 diagnostic trouble code?

To fix P2372: Check the integrity of the regulator control circuit. Check connectors and wiring harness for damage. Check the operation of the fuel volume regulator B. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with P2372?

Yes, but get it checked soon

How much does it cost to fix P2372?

The estimated repair cost for P2372 is $17–56. Actual cost depends on your vehicle, location, and labor rates.

See also: Russian version · NationStat