P0070 2016 GMC Sierra Code - Ambient Air Temperature Sensor Circuit
Quick Answer
The Engine Control Module (ECM) monitors the ambient air temperature sensor with a low reference circuit and signal circuit. Common causes include Faulty Ambient Air Temperature Sensor, Ambient Air Temperature Sensor harness is open or shorted, Ambient Air Temperature Sensor circuit poor electrical connection. Severity is High - diagnose this code as soon as possible. Driving is not recommended if the warning light is flashing, the engine runs poorly, or safety-related symptoms are present.
- What it means
- P0070 2016 GMC Sierra indicates Ambient Air Temperature Sensor Circuit.
- Common causes
- Common causes include Faulty Ambient Air Temperature Sensor, Ambient Air Temperature Sensor harness is open or shorted, Ambient Air Temperature Sensor circuit poor electrical connection.
- Severity
- High - diagnose this code as soon as possible.
- Can I drive?
- Driving is not recommended if the warning light is flashing, the engine runs poorly, or safety-related symptoms are present.
Code P0070 2016 GMC Sierra Description
What are the Possible Causes of the DTC P0070 2016 GMC Sierra?
- Faulty Ambient Air Temperature Sensor
- Ambient Air Temperature Sensor harness is open or shorted
- Ambient Air Temperature Sensor circuit poor electrical connection
- Faulty Engine Control Module (ECM)
How to Fix the DTC P0070 2016 GMC Sierra?
Review the 'Possible Causes' above and visually examine the corresponding wiring harness and connectors. Check for damaged components and inspect connector pins for signs of being broken, bent, pushed out, or corroded.
What is the Cost to Diagnose the Code?
Labor: 1.0
To diagnose the P0070 2016 GMC Sierra code, it typically requires 1.0 hour of labor. Rates vary by location, vehicle, and shop. Many shops charge between $80–$150 per hour; dealerships and metro areas may be higher, independents may be lower.
Need more information about the P0070 2016 GMC Sierra code?
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Frequently Asked Questions about P0070 2016 GMC Sierra Code
1. What does the OBDII code P0070 mean on a 2016 GMC Sierra?
The P0070 code indicates an issue with the Ambient Air Temperature Sensor Circuit, which monitors and reports outside air temperature to the vehicle's computer.
2. What are the common symptoms of the P0070 code in a 2016 GMC Sierra?
Symptoms may include inaccurate outside temperature readings, poor HVAC performance, check engine light illumination, or reduced fuel efficiency.
3. What causes the P0070 code to appear on my GMC Sierra?
Common causes include a faulty ambient air temperature sensor, damaged wiring or connectors, or issues with the vehicle's PCM (Powertrain Control Module).
4. Can I drive my 2016 GMC Sierra with a P0070 code?
Yes, you can typically drive with this code, but it’s best to address it soon as it may affect HVAC performance and fuel efficiency over time.
5. How do I fix the P0070 code on my GMC Sierra?
Repairs may involve replacing the ambient air temperature sensor, repairing damaged wiring, or cleaning corroded connectors.
6. Where is the ambient air temperature sensor located on a 2016 GMC Sierra?
The sensor is usually located near the front grille or bumper, where it can accurately measure outside air temperature.
7. How can I diagnose the P0070 code on my own?
Begin by visually inspecting the sensor and wiring for damage. Use a multimeter to test the sensor’s resistance and check for proper voltage in the circuit.
8. How much does it cost to repair a P0070 code on a GMC Sierra?
Repair costs can range from $50 to $200, depending on whether you replace the sensor yourself or have a mechanic handle it.
9. Can a bad ambient air temperature sensor affect my GMC Sierra’s performance?
Yes, a faulty sensor can cause inaccurate temperature readings, potentially affecting HVAC operation and engine efficiency.
10. Will clearing the P0070 code solve the issue permanently?
No, clearing the code will only reset the check engine light temporarily. The underlying issue must be repaired to prevent the code from returning.
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