OBD Guide

P2E55

Exhaust Pressure Sensor C Circuit Range/Performance

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

Symptoms

  • Check Engine light comes on
  • Deterioration in acceleration dynamics
  • Increased fuel consumption
  • Unstable engine operation at idle
  • Increased emissions of harmful substances

Causes

  • Exhaust gas pressure sensor fault C
  • Open or short circuit in the sensor circuit
  • Poor contact in the sensor connector
  • Corroded contacts or damaged wiring harness
  • Engine control unit (ECU) malfunction

How to Fix

  1. Check the continuity of the exhaust gas pressure sensor C circuit
  2. Inspect connectors and wires for damage or corrosion
  3. Check the functionality of the sensor using diagnostic equipment
  4. Replace exhaust gas pressure sensor C if necessary
  5. Flash or replace the ECU if a fault is detected

Related codes

Error P2E55 by Vehicle Brand