Powertrain
generic / SAE
P0073
Ambient Air Temperature Sensor Circuit A High
Ambient air temperature sensor A signal voltage above the expected range — typically open circuit (broken wire or sensor) or short to power.
SystemPowertrain
Typegeneric / SAE
GroupP0
Range / number– / 73
Possible causes
- Signal wire open high
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