Ambient Air Temperature Sensor Malfunction
Table of contents
P0070 BMW Possible Causes
- Faulty ambient air temperature sensor
- Ambient air temperature sensor harness is open or shorted
- Ambient air temperature sensor circuit poor electrical connection
How do I fix code P0070 BMW?
Check the “Possible Causes” listed above. Visually inspect the related wiring harness and connectors. Check for damaged components and look for broken, bent, pushed out, or corroded connector’s pins.
Cost of diagnosing the P0070 BMW code
The cost of diagnosing the P0070 BMW code is 1.0 hour of labor. The auto repair labor rates vary by location, your vehicle’s make and model, and even your engine type. Most auto repairs shops charge between $75 and $150 per hour.
When is the code detected
The Engine Control Module (ECM) has detected an open or short circuit condition on the Ambient Air Temperature (AAT) sensor circuit.
Possible Symptoms
- Engine Light ON (or Service Engine Soon Warning Light)
P0070 BMW Description
The Powertrain Control Module (PCM) monitors the Ambient Air Temperature Sensor. The PCM sets the OBDII code when the Ambient Air Temperature Sensor is not to factory specifications.