P0070
Ambient Air Temperature Sensor Circuit
2014-2021 Mazda Mazda6 2.5L I4
Low SeverityPowertrainGeneric (SAE)
Description
The PCM detected a malfunction in the ambient air temperature sensor circuit.
Symptoms
- Check Engine Light
- Incorrect climate control operation
- Incorrect outside temp display
Common Causes
- Faulty ambient temp sensor
- Wiring damage
- Sensor location issue (heat soak)
Diagnostic Steps
- Test sensor resistance across temperature range
- Inspect wiring
- Check sensor mounting location
Repair Notes
Replace ambient air temperature sensor.
Related Codes
Other Powertrain Codes
- P0001Fuel Volume Regulator Control Circuit/Open
- P0002Fuel Volume Regulator Control Circuit Range/Performance
- P0003Fuel Volume Regulator Control Circuit Low
- P0004Fuel Volume Regulator Control Circuit High
- P0010Intake Camshaft Position Actuator Circuit/Open Bank 1
- P0011Intake Camshaft Position Timing Over-Advanced Bank 1
- P0012Intake Camshaft Position Timing Over-Retarded Bank 1
- P0013Exhaust Camshaft Position Actuator Circuit/Open Bank 1
- P0014Exhaust Camshaft Position Timing Over-Advanced Bank 1
- P0015Exhaust Camshaft Position Timing Over-Retarded Bank 1
P0070 on Other Vehicles
Common Questions
What does code P0070 mean on a 2014-2021 Mazda Mazda6?
P0070 stands for "Ambient Air Temperature Sensor Circuit". The PCM detected a malfunction in the ambient air temperature sensor circuit.
What are the symptoms of P0070 on a Mazda Mazda6?
Common symptoms of P0070 include: Check Engine Light, Incorrect climate control operation, Incorrect outside temp display.
What causes P0070 on a 2014-2021 Mazda Mazda6?
Common causes of P0070 include: Faulty ambient temp sensor, Wiring damage, Sensor location issue (heat soak).