P0073
Ambient Air Temperature Sensor Circuit High
1999-2000 BMW 323i E46 2.5L I6 🇩🇪
Low SeverityPowertrain
Description
The ambient air temperature sensor circuit voltage is higher than expected.
Symptoms
- Check Engine Light
- Very low temp display
Common Causes
- Open circuit
- Faulty sensor
- Disconnected connector
Diagnostic Steps
- Test circuit voltage
- Check connector
- Test sensor resistance
Repair Notes
Repair open circuit or replace sensor.
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P0073 on Other Vehicles
Common Questions
What does code P0073 mean on a 1999-2000 BMW 323i E46?
P0073 stands for "Ambient Air Temperature Sensor Circuit High". The ambient air temperature sensor circuit voltage is higher than expected.
What are the symptoms of P0073 on a BMW 323i E46?
Common symptoms of P0073 include: Check Engine Light, Very low temp display.
What causes P0073 on a 1999-2000 BMW 323i E46?
Common causes of P0073 include: Open circuit, Faulty sensor, Disconnected connector.