P0070: Ambient Air Temperature Sensor Circuit A
What Does P0070 Mean?
P0070 is a diagnostic trouble code indicating: Ambient Air Temperature Sensor Circuit A. This code relates to the fuel and air metering system. It has been reported in NHTSA complaints across 1 different vehicle models.
Common Causes
- 🔍 Sensor or control module malfunction
Real Owner Reports
From NHTSA complaint database — actual owner descriptions.
"Vehicle having issues with A/C. Engine light comes on and gives code P0070 Ambient Air Temperature Sensor Circuit "A". Replaced A/C sensor and issue persists. Took to local mechanic who determined it was a circuit in the control module. Repairs should be covered under manufacture warranty. Car is cu"
— Kia Seltos owner, 06/16/2025
Source: NHTSA Complaints Database
Most Reported Vehicles for P0070
Based on NHTSA owner complaint data.
| # | Vehicle | Reports |
|---|---|---|
| 1 | KIA SELTOS |
Frequently Asked Questions
Can I drive with this code?
Will this code cause my car to fail emissions?
How much does it typically cost to fix?
What To Do Next
Possible Fixes
- 🔧 Have the code scanned with a professional-grade scanner to read freeze frame data
- 🔧 Test the relevant sensor(s) with a multimeter before replacing
- 🔧 Clean or replace the mass air flow (MAF) sensor; check for vacuum leaks
- 🔧 If DIY repair isn't feasible, get a diagnostic from a trusted mechanic ($50-150)
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1
Find your vehicle above
Click your make and model for real owner reports and common causes specific to your vehicle.
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Check for recalls
Go to nhtsa.gov/recalls and enter your VIN. Free repairs if covered.
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Get a professional diagnosis
A code alone doesn't identify the exact failed part. A diagnostic ($50–$150) pinpoints the root cause.