Reference meaning
What does this code mean?
The wording below belongs to the named make and communication. Match the complete code, reporting module, model year and engine before applying it.
A code identifies a detected condition, not a part that must automatically be replaced.
Narrow by vehicle
A listed vehicle is a research lead. Confirm the engine, production range and software in the manufacturer's information.
Before replacing a part
Record codes and freeze-frame data. Check battery condition, related codes and visible wiring or hose damage. Follow the vehicle's diagnostic procedure and test results before replacing parts.
Scan worksheet →Manufacturer wording
Source wording can vary by vehicle and suffix. It is shown as written, not as a universal diagnosis.
P0544Exhaust Gas Temperature Sensor Circuit - Sensor 1/1
P0544Exhaust Gas Temperature Sensor Circuit - Bank 1 Sensor 1
P0544Exhaust Gas Temperature (EGT) Sensor Circuit - Bank 1 Sensor 1
Manufacturer communications
29Original wording in English
VOLVO
These repair instructions are intended to address the following faults: P0544-15, P2031-15, P242A-15 and P246E-15.
VOLVO BUS
Repair instructions to address fault codes. P054415 Exhaust Gas Temperature Sensor Bank 1 Sensor 1 - Circuit Short To Battery or Open
PREVOST
Repair instructions to address fault codes P054415 Exhaust Gas Temperature Sensor Bank 1 Sensor 1 - Circuit Short To Battery or Open
INFINITI
2016-2017 Q50 AND 2017 Q60; MIL IS ON WITH DTC STORED IF YOU CONFIRM The MIL is ON with one or more of the following DTCs stored: P0544 - (EXHAUST GAS TEMP SENSOR 1 B1) P0545 - (EXHAUST GAS TEMP SENSOR 1 B1) P0546 - (EXHAUST GAS TEMP SENSOR 1 B1) P0547 - (EXHAUST GAS TEMP SENSOR 1 B2) P0548 - (EXHAUST GAS TEMP SENSOR 1 B2) P0549…
Check vehicle applicability
54A listed vehicle is a research lead. Confirm the engine, production range and software in the manufacturer's information.
Can I keep driving?
A code alone cannot establish whether driving is safe. A flashing malfunction light, severe shaking, overheating, oil-pressure warning or loss of braking or steering needs prompt attention. Stop in a safe place and seek assistance when control or engine safety is affected. Follow the vehicle handbook.