OBD Guide

P2484

Exhaust Gas Temperature Sensor Circuit Intermittent/Erratic Bank 1 Sensor 5

P2484 is an OBD-II diagnostic trouble code meaning: Exhaust Gas Temperature Sensor Circuit Intermittent/Erratic Bank 1 Sensor 5. Common causes: open or short circuit in the egt sensor circuit, poor contact in the sensor connector. Estimated repair cost: $28–89.

Severity
⚠️ Medium
Can you drive?
Limited driving only, diagnose soon
Approx. repair cost
$28–89 (est.)

Symptoms

  • Check Engine light comes on
  • Reduced engine power
  • Increased fuel consumption
  • Unstable idling
  • Possible overheating of the catalyst

Causes

  • Open or short circuit in the EGT sensor circuit
  • Poor contact in the sensor connector
  • Malfunction of the temperature sensor itself
  • Wiring harness damage
  • Problems with the engine control unit

How to Fix

  1. Check the integrity of the sensor wiring and connectors
  2. Measure the sensor resistance (compare with standards)
  3. Check the reference voltage and ground in the sensor circuit
  4. Replace exhaust temperature sensor if necessary
  5. Clear error codes and check if the fault returns

Related codes

Error P2484 by Vehicle Brand

FAQ

What does the P2484 code mean?

P2484 is an OBD-II diagnostic trouble code that indicates: Exhaust Gas Temperature Sensor Circuit Intermittent/Erratic Bank 1 Sensor 5

What causes a P2484 error code?

The most common causes of P2484 include: Open or short circuit in the EGT sensor circuit; Poor contact in the sensor connector; Malfunction of the temperature sensor itself; Wiring harness damage.

How do I fix a P2484 diagnostic trouble code?

To fix P2484: Check the integrity of the sensor wiring and connectors. Measure the sensor resistance (compare with standards). Check the reference voltage and ground in the sensor circuit. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with P2484?

Limited driving only, diagnose soon

How much does it cost to fix P2484?

The estimated repair cost for P2484 is $28–89. Actual cost depends on your vehicle, location, and labor rates.

See also: Russian version · NationStat