OBD Guide

P2A30

Alternative Fuel Tank Shutoff Valve E Control Circuit Low

P2A30 is an OBD-II diagnostic trouble code meaning: Alternative Fuel Tank Shutoff Valve E Control Circuit Low. Common causes: short circuit to ground in control circuit, open circuit in valve power supply. Estimated repair cost: $17–56.

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

Symptoms

  • Check Engine Light Is On
  • Problems starting the engine
  • The car only switches to the main tank
  • Uneven engine operation
  • Power reduction

Causes

  • Short circuit to ground in control circuit
  • Open circuit in valve power supply
  • Fuel cut-off valve malfunction
  • Valve control relay problems
  • Engine control unit malfunction

How to Fix

  1. Check the condition of the valve control circuit fuse
  2. Check the integrity of the wiring and connectors
  3. Measure the resistance of the fuel shut-off valve
  4. Check the operation of the control relay
  5. Test the output signal of the control unit

Related codes

Error P2A30 by Vehicle Brand

FAQ

What does the P2A30 code mean?

P2A30 is an OBD-II diagnostic trouble code that indicates: Alternative Fuel Tank Shutoff Valve E Control Circuit Low

What causes a P2A30 error code?

The most common causes of P2A30 include: Short circuit to ground in control circuit; Open circuit in valve power supply; Fuel cut-off valve malfunction; Valve control relay problems.

How do I fix a P2A30 diagnostic trouble code?

To fix P2A30: Check the condition of the valve control circuit fuse. Check the integrity of the wiring and connectors. Measure the resistance of the fuel shut-off valve. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with P2A30?

Yes, but get it checked soon

How much does it cost to fix P2A30?

The estimated repair cost for P2A30 is $17–56. Actual cost depends on your vehicle, location, and labor rates.

See also: Russian version · NationStat