P0544
Exhaust Gas Temperature Sensor Circuit Bank 1 Sensor 1
P0544 is an OBD-II diagnostic trouble code meaning: Exhaust Gas Temperature Sensor Circuit Bank 1 Sensor 1. Common causes: open or short circuit in the egt sensor circuit, exhaust gas temperature sensor malfunction. Estimated repair cost: $33–167.
Symptoms
- Check Engine light comes on
- Reduced engine power
- Increased fuel consumption
- Unstable idling
Causes
- Open or short circuit in the EGT sensor circuit
- Exhaust gas temperature sensor malfunction
- Poor contact in the sensor connector
- Wiring harness damage
- Malfunction of the engine control unit (rare)
How to Fix
- Check the continuity of the EGT sensor circuit (resistance, voltage)
- Inspect the sensor connectors and contacts for corrosion or damage.
- Check resistance and signal of EGT sensor
- Replace exhaust gas temperature sensor if necessary
- Check the condition of the wiring harness
- Reset the error and test the system after repair
Related codes
Error P0544 by Vehicle Brand
FAQ
What does the P0544 code mean?
P0544 is an OBD-II diagnostic trouble code that indicates: Exhaust Gas Temperature Sensor Circuit Bank 1 Sensor 1
What causes a P0544 error code?
The most common causes of P0544 include: Open or short circuit in the EGT sensor circuit; Exhaust gas temperature sensor malfunction; Poor contact in the sensor connector; Wiring harness damage.
How do I fix a P0544 diagnostic trouble code?
To fix P0544: Check the continuity of the EGT sensor circuit (resistance, voltage). Inspect the sensor connectors and contacts for corrosion or damage.. Check resistance and signal of EGT sensor. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with P0544?
Limited driving only, diagnose soon
How much does it cost to fix P0544?
The estimated repair cost for P0544 is $33–167. Actual cost depends on your vehicle, location, and labor rates.
See also: Russian version · NationStat