Easy one-page printout for the garage or repair shop
This summary uses the existing diagnostic information shown in full below.
This code means that the car's computer is having trouble reading the temperature of the exhaust gases on one side of the engine.
The P0547 code is triggered when the Engine Control Module (ECM) detects a problem with the exhaust gas temperature sensor circuit on bank 2, sensor 1.
The exhaust gas temperature sensor measures the temperature of the exhaust gases leaving the engine. Bank 2 refers to the side of the engine that does not contain cylinder 1. Sensor 1 is typically located before the catalytic converter. This sensor's readings are critical for controlling emissions and protecting the catalytic converter from overheating.
• Check Engine Light is on
• Poor engine performance
• Increased emissions
• Faulty exhaust gas temperature sensor
• Wiring issues such as shorts or open circuits
• Poor electrical connections
ECM: Engine Control Module
OBD-II: On-Board Diagnostics, Second Generation
• Use an OBD-II scanner to confirm the code.
• Inspect the exhaust gas temperature sensor and its wiring for damage.
• Test the sensor's resistance and compare it to specifications.
• Replace the faulty exhaust gas temperature sensor.
• Repair or replace damaged wiring or connectors.
• Clear the code and test drive to ensure the issue is resolved.
• OBD-II scanner
• Multimeter
• Basic hand tools
$150 - $300
Moderate
• Audi A4
• Volkswagen Jetta
• Porsche Cayenne
• Regular maintenance checks
• Inspect wiring for wear and tear
• Ensure proper sensor installation
Sensor Issue
• Avoid driving the vehicle until repaired to prevent further damage.
• Consult a professional mechanic for accurate diagnosis and repair.
Check vehicle warranty for coverage on emissions-related components.
This code has been commonly reported in vehicles with turbocharged engines where exhaust temperatures are higher.
Moderate – Address promptly to avoid potential damage to the catalytic converter.
Driving with this code may lead to increased emissions and potential legal issues in areas with strict emissions regulations.
• Engine at operating temperature
• Vehicle stationary
Located in the exhaust system on the side of the engine opposite cylinder 1, before the catalytic converter.
Q: Can I drive with a P0547 code?
A: It's not recommended as it could lead to further damage and increased emissions.
Q: How do I reset the P0547 code?
A: Use an OBD-II scanner to clear the code after repairs are made.
High-End · Full-system diagnostics
A full-system bidirectional platform aimed at advanced DIY users and professional diagnostic workflows.
Network faults often require full-system access instead of a generic code reader alone.
View on Amazon
Universal · Digital multimeter
A solid entry-level multimeter for voltage, continuity, resistance, and basic electrical troubleshooting.
Helpful for checking voltage drops, grounds, and basic circuit health when modules are not communicating.
View on Amazon
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.
View on AmazonThese are optional diagnostic tools, not guaranteed fixes. As an Amazon Associate I earn from qualifying purchases.
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.