Engine Error
P0073
Ambient Air Temperature Sensor Circuit High Input
Severity
Low
Symptoms
A/C system malfunction, incorrect outside temp display, check engine light
Common Causes
- Unplugged ambient temperature sensor
- Faulty ambient air temperature sensor
- Broken wire in sensor harness
- Corrosion in sensor plug
How to Fix
- 1 Reconnect sensor plug
- 2 Replace ambient air temperature sensor
- 3 Repair broken wires behind grille
- 4 Clean connector contacts
Estimated Repair Cost
USD
$20
–
$150
Ambient temp sensor: $20 - $80; Labor: $50