OBD Guide

P2A44

Alternative Fuel Tank B Pressure Sensor Circuit High

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
  • Unstable engine operation at idle
  • Problems starting the engine

Causes

  • Fuel tank pressure sensor B malfunction
  • Open or short circuit in the sensor circuit
  • Poor contact in the sensor connector
  • Corroded contacts or damaged wiring harness
  • Engine control unit malfunction

How to Fix

  1. Check the continuity of the pressure sensor circuit
  2. Inspect connectors and contacts for corrosion or damage
  3. Check the functionality of the pressure sensor
  4. Replace pressure sensor if necessary
  5. Check and replace wiring harness if necessary

Related codes

Error P2A44 by Vehicle Brand