OBD Guide

P2A47

Alternative Fuel Tank C Pressure Sensor Range/Performance

P2A47 is an OBD-II diagnostic trouble code meaning: Alternative Fuel Tank C Pressure Sensor Range/Performance. Common causes: fuel tank pressure sensor malfunction, open or short circuit in the sensor circuit. 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 comes on
  • Reduced engine power
  • Increased fuel consumption
  • Problems starting the engine
  • The car goes into emergency mode

Causes

  • Fuel tank pressure sensor malfunction
  • Open or short circuit in the sensor circuit
  • Poor contact in the sensor connector
  • Problems with the fuel system (leaks, blockages)
  • Engine control unit malfunction

How to Fix

  1. Check the condition of the fuel tank pressure sensor
  2. Check the integrity and connections of the sensor electrical circuit
  3. Check connectors for corrosion or damage
  4. Check the fuel system for leaks
  5. If necessary, replace the pressure sensor

Related codes

Error P2A47 by Vehicle Brand

FAQ

What does the P2A47 code mean?

P2A47 is an OBD-II diagnostic trouble code that indicates: Alternative Fuel Tank C Pressure Sensor Range/Performance

What causes a P2A47 error code?

The most common causes of P2A47 include: Fuel tank pressure sensor malfunction; Open or short circuit in the sensor circuit; Poor contact in the sensor connector; Problems with the fuel system (leaks, blockages).

How do I fix a P2A47 diagnostic trouble code?

To fix P2A47: Check the condition of the fuel tank pressure sensor. Check the integrity and connections of the sensor electrical circuit. Check connectors for corrosion or damage. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with P2A47?

Yes, but get it checked soon

How much does it cost to fix P2A47?

The estimated repair cost for P2A47 is $17–56. Actual cost depends on your vehicle, location, and labor rates.

See also: Russian version · NationStat