Powertrain
generic / SAE
P0070
Ambient Air Temperature Sensor Circuit A
Generic electrical fault in the ambient air temperature sensor A circuit. Used by the ECU for cold-start corrections, climate logic, and intake-air calculations.
SystemPowertrain
Typegeneric / SAE
GroupP0
Range / number– / 70
Possible causes
- Sensor element failed high
- Wiring open or connector loose medium
Inspection / repair
- Difficulty: easy
- DIY: possible
- Estimated cost: 30–200 €
- Estimated time: 0.3–1 h
- Component: ambient air temp sensor
- Component: sensor wiring
- MIL / check engine light
Sources
References
sae:J2012