P0425
Catalyst Temperature Sensor Circuit Bank 1 Sensor 1
Generic code
Auxiliary Emissions Control
Medium severity
Moderate repair
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What P0425 means
- The fault code P0425 indicates that there's a fault in catalyst temperature sensor Bank 1 sensor1
Possible symptoms
- Illuminated check engine light
Possible causes
- Faulty catalyst temperature sensor (Bank 1 sensor 1) or the associated circuit
- Faulty oxygen sensor
Related parts
- Catalytic Converter: A catalytic converter is a device that converts toxic gases and pollutants to less harmful pollutants. Problems lead to harmful emissions out of limit, rotten egg smell from exhaust & reduced speed
Possible solutions
- Replace the faulty catalyst temperature sensor.
- Replace the oxygen sensor
- Fix any damaged circuits/connectors
Free on OBD DashX
P0425 on OBD DashX
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