P02E8 2014 GMC Sierra Code - Diesel Intake Air Flow Position Sensor Circuit Low
Quick Answer
The Throttle Body Assembly contains a contact-less inductive throttle position sensing element that is managed by a customized integrated circuit. Common causes include Faulty Throttle Body Assembly, Throttle Body Assembly harness is open or shorted, Throttle Body Assembly 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
- P02E8 2014 GMC Sierra indicates Diesel Intake Air Flow Position Sensor Circuit Low.
- Common causes
- Common causes include Faulty Throttle Body Assembly, Throttle Body Assembly harness is open or shorted, Throttle Body Assembly 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 P02E8 2014 GMC Sierra Description
What are the Possible Causes of the DTC P02E8 2014 GMC Sierra?
- Faulty Throttle Body Assembly
- Throttle Body Assembly harness is open or shorted
- Throttle Body Assembly circuit poor electrical connection
- Faulty Engine Control Module (ECM)
How to Fix the DTC P02E8 2014 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 P02E8 2014 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.
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Frequently Asked Questions about P02E8 2014 GMC Sierra Code
1. What does the OBDII code P02E8 mean on a 2014 GMC Sierra?
The P02E8 code indicates a problem with the Diesel Intake Air Flow Position Sensor Circuit, specifically that the sensor is detecting a voltage lower than expected.
2. What are the symptoms of code P02E8 in a 2014 GMC Sierra?
Common symptoms include reduced engine performance, poor fuel efficiency, rough idling, or the Check Engine Light being illuminated.
3. What causes the P02E8 code to appear in a 2014 GMC Sierra?
Potential causes include a faulty Diesel Intake Air Flow Position Sensor, damaged wiring or connections in the sensor circuit, or issues with the ECM (Engine Control Module).
4. Can a dirty air filter cause the P02E8 code in a 2014 GMC Sierra?
While a dirty air filter can restrict airflow, it typically does not directly trigger the P02E8 code, as this code relates specifically to the sensor circuit itself.
5. How do you diagnose the P02E8 code on a 2014 GMC Sierra?
Diagnosis involves checking the wiring and connections to the Diesel Intake Air Flow Position Sensor, testing the sensor for proper function, and verifying the ECM is receiving the correct voltage.
6. Can I drive my 2014 GMC Sierra with the P02E8 code?
It’s not recommended to drive with this code for an extended period, as it can cause poor performance, reduced efficiency, and potential long-term engine damage.
7. How do you fix the P02E8 code on a 2014 GMC Sierra?
Repairs may include replacing the Diesel Intake Air Flow Position Sensor, repairing or replacing damaged wiring, or reprogramming/updating the ECM if necessary.
8. How much does it cost to fix the P02E8 code on a 2014 GMC Sierra?
Repair costs vary but typically range from $150 to $400, depending on whether the issue is with the sensor, wiring, or ECM.
9. Can a bad ECM cause the P02E8 code on a 2014 GMC Sierra?
Yes, a malfunctioning ECM can cause this code if it fails to properly process the sensor’s signal or sends incorrect voltage to the circuit.
10. Is the Diesel Intake Air Flow Position Sensor the same as the MAF sensor on a 2014 GMC Sierra?
No, the Diesel Intake Air Flow Position Sensor is a separate component that monitors a different aspect of the air intake system.
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