OBD Guide

P2488

Exhaust Gas Temperature Sensor Circuit Range/Performance Bank 2 Sensor 5

P2488 is an OBD-II diagnostic trouble code meaning: Exhaust Gas Temperature Sensor Circuit Range/Performance Bank 2 Sensor 5. Common causes: exhaust temperature sensor malfunction, open or short circuit in the sensor circuit. Estimated repair cost: $28–89.

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
  • Increased emissions of harmful substances

Causes

  • Exhaust temperature sensor malfunction
  • Open or short circuit in the sensor circuit
  • Poor contact in the sensor connector
  • Wiring harness damage
  • Problems with the engine control unit

How to Fix

  1. Check the integrity of the sensor circuit
  2. Inspect connectors and contacts for corrosion
  3. Check sensor resistance (compare with specifications)
  4. Replace exhaust temperature sensor if necessary
  5. Reset the error code and check if it returns

Related codes

Error P2488 by Vehicle Brand

FAQ

What does the P2488 code mean?

P2488 is an OBD-II diagnostic trouble code that indicates: Exhaust Gas Temperature Sensor Circuit Range/Performance Bank 2 Sensor 5

What causes a P2488 error code?

The most common causes of P2488 include: Exhaust temperature sensor malfunction; Open or short circuit in the sensor circuit; Poor contact in the sensor connector; Wiring harness damage.

How do I fix a P2488 diagnostic trouble code?

To fix P2488: Check the integrity of the sensor circuit. Inspect connectors and contacts for corrosion. Check sensor resistance (compare with specifications). For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with P2488?

Yes, but get it checked soon

How much does it cost to fix P2488?

The estimated repair cost for P2488 is $28–89. Actual cost depends on your vehicle, location, and labor rates.

See also: Russian version · NationStat