OBD Guide

P2A49

Alternative Fuel Tank C Pressure Sensor Circuit High

P2A49 is an OBD-II diagnostic trouble code meaning: Alternative Fuel Tank C Pressure Sensor Circuit High. Common causes: fuel tank pressure sensor fault c, 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
  • Unstable engine operation
  • Increased fuel consumption
  • Problems starting the engine

Causes

  • Fuel tank pressure sensor fault C
  • Open or short circuit in the sensor circuit
  • Poor contact in the sensor connector
  • Problems with the engine control unit

How to Fix

  1. Check the continuity of the pressure sensor circuit
  2. Check sensor connectors and connections
  3. Test fuel tank pressure sensor C
  4. Replace sensor if necessary
  5. Reset the error code and check the system

Related codes

Error P2A49 by Vehicle Brand

FAQ

What does the P2A49 code mean?

P2A49 is an OBD-II diagnostic trouble code that indicates: Alternative Fuel Tank C Pressure Sensor Circuit High

What causes a P2A49 error code?

The most common causes of P2A49 include: Fuel tank pressure sensor fault C; Open or short circuit in the sensor circuit; Poor contact in the sensor connector; Problems with the engine control unit.

How do I fix a P2A49 diagnostic trouble code?

To fix P2A49: Check the continuity of the pressure sensor circuit. Check sensor connectors and connections. Test fuel tank pressure sensor C. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with P2A49?

Yes, but get it checked soon

How much does it cost to fix P2A49?

The estimated repair cost for P2A49 is $17–56. Actual cost depends on your vehicle, location, and labor rates.

See also: Russian version · NationStat