OBD Guide
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P1454

Exhaust Gas Temperature Sensor Short 1 to Ground

P1454 is an OBD-II diagnostic trouble code meaning: Exhaust Gas Temperature Sensor Short 1 to Ground. Common causes: damage to the egt sensor wiring, malfunction of the exhaust temperature sensor itself. 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 Is On
  • Increased fuel consumption
  • Reduced engine power
  • Catalytic converter overheating
  • Unstable idling

Causes

  • Damage to the EGT sensor wiring
  • Malfunction of the exhaust temperature sensor itself
  • Short circuit in wiring harness
  • Problems with sensor connectors
  • Contact corrosion

How to Fix

  1. Check the integrity of the sensor wiring
  2. Test the resistance of the EGT sensor
  3. Inspect connectors for corrosion
  4. Replace exhaust temperature sensor if necessary
  5. Repair damaged wire insulation

Related codes

P1455P1456P1457

Error P1454 by Vehicle Brand

BMWJaguarVolkswagen

FAQ

What does the P1454 code mean?

P1454 is an OBD-II diagnostic trouble code that indicates: Exhaust Gas Temperature Sensor Short 1 to Ground

What causes a P1454 error code?

The most common causes of P1454 include: Damage to the EGT sensor wiring; Malfunction of the exhaust temperature sensor itself; Short circuit in wiring harness; Problems with sensor connectors.

How do I fix a P1454 diagnostic trouble code?

To fix P1454: Check the integrity of the sensor wiring. Test the resistance of the EGT sensor. Inspect connectors for corrosion. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with P1454?

Yes, but get it checked soon

How much does it cost to fix P1454?

The estimated repair cost for P1454 is $28–89. Actual cost depends on your vehicle, location, and labor rates.

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