Easy one-page printout for the garage or repair shop
This summary uses the existing diagnostic information shown in full below.
This code means there's a problem with a sensor that checks how hot the exhaust gases are coming out of the car. It's like a thermometer for the car's exhaust, and it's not working right.
The P2475 code is triggered when the Engine Control Module (ECM) detects a low voltage signal from the exhaust gas temperature sensor located on bank 2, sensor 4.
The exhaust gas temperature sensor measures the temperature of the exhaust gases to help control emissions and protect the catalytic converter. Bank 2 refers to the side of the engine opposite to cylinder 1. Sensor 4 is typically located further downstream in the exhaust system. A low circuit signal indicates that the sensor is not sending the expected voltage, which could be due to a wiring issue, a faulty sensor, or other electrical problems.
• Check Engine Light is on
• Poor fuel economy
• Possible engine performance issues
• Faulty exhaust gas temperature sensor
• Wiring issues or poor connections in the sensor circuit
• Exhaust leaks affecting sensor readings
Bank 2: The side of the engine opposite to cylinder 1.
Sensor 4: Refers to the fourth sensor in the exhaust system, typically downstream.
• Use an OBD-II scanner to confirm the code.
• Inspect the wiring and connections to the sensor for damage or corrosion.
• Test the exhaust gas temperature sensor with a multimeter.
• Replace the faulty exhaust gas temperature sensor.
• Repair or replace damaged wiring or connectors.
• Fix any exhaust leaks that might affect the sensor.
• OBD-II scanner
• Multimeter
• Basic hand tools
$150 - $300
Moderate
• Ford F-150
• Chevrolet Silverado
• Dodge Ram
• Regularly inspect and maintain the exhaust system.
• Ensure proper connections and wiring integrity.
• Use quality replacement parts for repairs.
Sensor Issue
• Do not ignore the Check Engine Light.
• Have the vehicle inspected by a professional if unsure.
• Regular maintenance can prevent such issues.
Check with the vehicle manufacturer for warranty coverage on emissions-related components.
This code has been associated with exhaust sensor failures in vehicles with higher mileage or poor maintenance.
Moderate – While the vehicle may still be drivable, it's important to fix this issue to avoid potential damage to the catalytic converter.
Driving with a faulty exhaust sensor can lead to increased emissions, which may not comply with local environmental laws.
• Engine at operating temperature
• Vehicle in a safe, stationary position
The sensor is located in the exhaust system on the side of the engine opposite cylinder 1, usually downstream near the catalytic converter.
Q: Can I drive with a P2475 code?
A: You can drive for a short period, but it's best to fix it soon to avoid potential damage.
Q: How do I know if the sensor is bad?
A: A mechanic can test the sensor with a multimeter to check for proper voltage readings.
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Universal · Digital multimeter
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Universal · Wire connectors and repair kit
Useful when diagnosis points toward damaged wiring, corroded terminals, or connector repairs.
Useful if diagnosis points toward damaged connectors, wiring, or terminal repairs.
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Fitment Required · Vehicle-fitment part
Relevant when catalyst-efficiency or emissions faults persist after proper diagnosis.
Catalyst-efficiency faults sometimes point toward converter problems after proper testing.
Catalytic converters are highly vehicle-specific and should not be purchased by code alone.
View options on AmazonThese parts may be related to this fault category, but a code by itself does not confirm exact fitment or guarantee that replacing a part will solve the problem.