OBD Guide

P2485

Exhaust Gas Temperature Sensor Circuit/Open Bank 2 Sensor 5

Severity
⚠️ Medium
Can you drive?
Yes, but get it checked soon
Approx. repair cost
$28–89 (est.)

Symptoms

  • Check Engine light comes on
  • Reduced engine power
  • Increased fuel consumption
  • Unstable engine idling
  • Possible transition to emergency mode

Causes

  • Broken or damaged wiring to the exhaust temperature sensor
  • Exhaust temperature sensor malfunction
  • Poor contact in the sensor connector
  • Wiring harness damage
  • ECU malfunction (rare)

How to Fix

  1. Check the integrity of the wiring to the exhaust temperature sensor
  2. Check the resistance and functionality of the sensor
  3. Clean or replace sensor connector if necessary
  4. Replace the exhaust temperature sensor if the fault is confirmed
  5. Check and repair damaged sections of the wiring harness

Related codes

Error P2485 by Vehicle Brand