P06A5 2017 GMC Sierra Code - 5 Volt Reference 4 Circuit High Voltage
Quick Answer
The Engine Control Module (ECM) has four (4) internal 5 Volt reference circuits (Some models have two (2) internal 5 Volt reference circuits). Common causes include Faulty Sensor on 5 Volt circuit, Sensor on 5 Volt circuit harness is open or shorted, Sensor on 5 Volt 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
- P06A5 2017 GMC Sierra indicates 5 Volt Reference 4 Circuit High Voltage.
- Common causes
- Common causes include Faulty Sensor on 5 Volt circuit, Sensor on 5 Volt circuit harness is open or shorted, Sensor on 5 Volt 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 P06A5 2017 GMC Sierra Description
What are the Possible Causes of the DTC P06A5 2017 GMC Sierra?
- Faulty Sensor on 5 Volt circuit
- Sensor on 5 Volt circuit harness is open or shorted
- Sensor on 5 Volt circuit poor electrical connection
- Faulty Engine Control Module (ECM)
How to Fix the DTC P06A5 2017 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.
Code Tech Notes
The 5 Volt reference 4 circuit provides 5 Volt to the following sensors: (Some models may have different sensors, please consult the factory service manual for the list of sensors for your model and year)
- Accelerator pedal position sensor 1
- Throttle position sensor
What is the Cost to Diagnose the Code?
Labor: 1.0
To diagnose the P06A5 2017 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 P06A5 2017 GMC Sierra code?
Need more information on how to fix the P06A5 2017 GMC Sierra code? Get Access to Factory Service Manuals
Need Help with the Code?
Get the P06A5 2017 GMC Sierra code diagnosed by a professional: Find a repair shop in your area
Frequently Asked Questions about P06A5 2017 GMC Sierra Code
1. What are the common symptoms of OBDII code P06A5 in a 2017 GMC Sierra?
- Common symptoms include check engine light illumination, rough idling, poor engine performance, and potential stalling.
2. What does the OBDII code P06A5 "5 Volt Reference 4 Circuit High Voltage" indicate in a 2017 GMC Sierra?
- This code indicates that the voltage on the 5-volt reference circuit for sensor 4 is higher than normal levels.
3. What are the possible causes of OBDII code P06A5 in a 2017 GMC Sierra?
- Possible causes include a faulty sensor, damaged wiring or connectors in the 5-volt reference circuit, a defective Engine Control Module (ECM), or a short circuit.
4. How can I diagnose the issue related to OBDII code P06A5 in my 2017 GMC Sierra?
- Diagnose the problem by inspecting the wiring and connectors for damage, testing the sensor for proper operation, and checking the voltage levels with a multimeter.
5. Is it safe to continue driving with OBDII code P06A5 present in a 2017 GMC Sierra?
- It is not recommended to continue driving with this code present, as it can lead to potential engine performance issues and further damage if left unresolved.
6. Can I repair OBDII code P06A5 in my 2017 GMC Sierra myself?
- Depending on your level of automotive repair knowledge, you may be able to address this issue yourself by inspecting and repairing the wiring, connectors, or sensor related to the 5-volt reference circuit.
7. How much does it typically cost to repair OBDII code P06A5 in a 2017 GMC Sierra at a professional mechanic or dealership?
- Repair costs can vary depending on the exact cause of the issue, but expect to pay anywhere from $100 to $500 for parts and labor at a professional repair shop.
8. Can resetting the OBDII system clear the P06A5 code in a 2017 GMC Sierra?
- Resetting the system may temporarily clear the code, but if the underlying issue causing the high voltage on the 5-volt reference circuit is not addressed, the code is likely to return.
9. Is the OBDII code P06A5 a common issue in 2017 GMC Sierra vehicles?
- While not extremely common, OBDII code P06A5 can occur in 2017 GMC Sierra vehicles due to various sensor or wiring issues.
10. How crucial is it to address OBDII code P06A5 promptly in a 2017 GMC Sierra?
- It is important to address this code promptly to prevent potential damage to the engine and ensure optimal vehicle performance and efficiency.
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