PowertrainP0545
CautionSeverity: Caution - get it checked when you can
Exhaust Gas Temperature Sensor Circuit Low (Bank 1 Sensor 1)
Key terms: Bank 1: the side of the engine containing cylinder 1 · SAE J2012: the standard generic code list · Powertrain: engine, transmission and emissions
1What it means in plain English
This range covers vehicle speed, idle and oil-pressure control, charging-system voltage, and brake-switch circuits.
2Common causes
- Carbon build-up in the throttle body
- Faulty idle air control valve
- Faulty vehicle speed sensor
- Faulty charging system or weak battery
- Wiring or connector fault
3Can I drive?
Codes in this range include oil-pressure, brake-switch and charging-system voltage faults. If the oil-pressure warning light is on, stop the engine as soon as it is safe and do not drive until it is diagnosed. If the battery or charging warning light is on, drive straight to a workshop: the car can stall when the battery runs flat. For any other P05 code, have the car diagnosed promptly rather than continuing to drive.
This page gives general information. It is not professional advice. For a definite diagnosis and a repair quote, ask a qualified mechanic to inspect the car.
4Brand data 37
| Brand | Code | Description | System |
|---|---|---|---|
| Ashok Leyland CV | P0545 | Upstream Fuel Temperature Physical Value Too Low Brand | Powertrain |
| BAIC Motor | P0545 | turbine inlet temperature sensor circuit short to ground Brand | Powertrain |
| Mercedes-Benz | P0545 | Exhaust Gas Temperature Sensor Circuit Low (Bank 1 Sensor 1) SAE | Powertrain |
| BMW | P0545 | Exh. Gas Temp. Sensor Circ. Low (Bank 1) Brand | Powertrain |
| BYD | P0545 | Exhaust Gas Temperature Sensor Circuit Low Bank 1 Sensor 1 Brand | Powertrain |
| Chery | P0545 | Exhaust Gas Temperature Sensor Circuit Low Bank 1 Sensor 1 Brand | Powertrain |
| Daewoo | P0545 | Exhaust Gas Temperature Sensor Circuit Low Bank 1 Sensor 1 Brand | Powertrain |
| Daihatsu | P0545 | Exhaust temperature sensor in open circuit Brand | Powertrain |
| DFFS | P0545 | Exhaust Gas Temperature Sensor Circuit Low Bank 1 Sensor 1 Brand | Powertrain |
| DFFX | P0545 | Exhaust Gas Temperature Sensor Circuit Low Bank 1 Sensor 1 Brand | Powertrain |
| DFXK | P0545 | Exhaust Gas Temperature Sensor Circuit Low Bank 1 Sensor 1 Brand | Powertrain |
| EOBD | P0545 | Avgastemperaturgivarkrets låg bank 1 sensor 1 Brand | Powertrain |
| Ford | P0545 | Exhaust Gas Temperature Sensor Circuit Low (Bank 1 Sensor 1) SAE | Powertrain |
| Geely | P0545 | Exhaust Gas Temperature Sensor Circuit Low Bank 1 Sensor 1 Brand | Powertrain |
| GM | P0545 | Exhaust Gas Temperature Sensor Circuit Low Bank 1 Sensor 1 Brand | Powertrain |
| Great Wall | P0545 | Exhaust Gas Temperature Sensor Circuit Low Bank 1 Sensor 1 Brand | Powertrain |
| Hafei | P0545 | Exhaust Gas Temperature Sensor Circuit Low Bank 1 Sensor 1 Brand | Powertrain |
| Holden | P0545 | Exhaust Gas Temperature Sensor 1 Circuit Low Voltage Brand | Powertrain |
| Honda | P0545 | P0546 EXHAUST GAS TEMPERATURE SENSOR VOLTAGE AT UPSTREAM OF DPF RANGE OVER Brand | Powertrain |
| Hyundai | P0545 | Exhaust Gas Temperature Sensor Circuit Low (Bank 1 Sensor 1) SAE | Powertrain |
| Isuzu | P0545 | Exhaust Gas Temperature Sensor Circuit Low (Bank 1 Sensor 1) SAE | Powertrain |
| Land Rover | P0545 | Exhaust Gas Temperature Sensor Circuit Low (Bank 1 Sensor 1) SAE | Powertrain |
| Maserati | P0545 | Exhaust Gas Temperature Sensor Circuit Low - Bank 1 Sensor 1 Brand | Powertrain |
| Mitsubishi | P0545 | Exhaust gas temp.sensor low Brand | Powertrain |
| Nissan | P0545 | Exhaust Gas Temperature Sensor Circuit Low (Bank 1 Sensor 1) SAE | Powertrain |
| Opel | P0545 | Exhaust Gas Temperature Sensor Circuit Low Bank 1 Sensor 1 Brand | Powertrain |
| Perodua | P0545 | Exhaust temperature sensor in open circuit Brand | Powertrain |
| Peugeot | P0545 | Exhaust Gas Temperature Sensor Circuit Low (Bank 1 Sensor 1) SAE | Powertrain |
| Porsche | P0545 | Abgastemperatursensor Bank 1 Brand | Powertrain |
| Proton | P0545 | Exhaust gas temp.sensor low Brand | Powertrain |
| Saab | P0545 | Exhaust Gas Temperature Sensor Circuit Low Bank 1 Sensor 1 Brand | Powertrain |
| MG (SAIC) | P0545 | Exhaust Gas Temperature Sensor Circuit Low Brand | Powertrain |
| Subaru | P0545 | Exhaust Gas Temperature Sensor Circuit Malfunction Brand | Powertrain |
| SWM Motor | P0545 | Gasoline Particulate Filter (GPF) inlet temperature sensor shorted to low voltage Brand | Powertrain |
| Tata | P0545 | Exhaust Temperature Sensor Low Brand | Powertrain |
| Toyota | P0545 | Gasoline Particulate Filter (GPF) temperature sensor voltage low Brand | Powertrain |
| Volkswagen | P0545 | Sensor 1 for exhaust temp bank 1 (G235): short to ground Brand | Powertrain |
Legend: SAE is the generic J2012 description; Brand is text taken from that manufacturer’s data. Manufacturer rows keep the wording and language of the source data, and non-English text is tagged so screen readers pronounce it correctly.
5Extended variant codes 5
These 7-character codes are manufacturer-specific variants of P0545 and may be reported by some scan tools.
| Brand | Code | Description | System |
|---|---|---|---|
| Hyundai | P054500 | is set when front exhaust gas temp. sensor(T3-WGT) signal voltage is below 0.2V - the lower limit value - for more than 2.97 sec Brand | Powertrain |
| SsangYong | P054500 | Upstream exhaust gas temperature sensor signal low Brand | Powertrain |
| Mercedes-Benz | P054511 | Der Temperatursensor 1 'Abgasanlage' (Zylinderreihe 1) hat Kurzschluss nach Masse. Es liegt ein Kurzschluss nach Masse vor. Brand | Powertrain |
| Sprinter | P054511 | Der Temperatursensor 1 'Abgasanlage' (Zylinderreihe 1) hat Kurzschluss nach Masse. Es liegt ein Kurzschluss nach Masse vor. Brand | Powertrain |
| Mercedes-Benz | P054521 | Der Temperatursensor 1 'Abgasanlage' (Zylinderreihe 1) hat Kurzschluss nach Masse. Die Signalamplitude ist kleiner als die Minimalamplitude. Brand | Powertrain |
6Related codes
Browse Pxxx codes or P054xx codes.