P06A6 2017 GMC Sierra Code - 5V Reference 1 Performance
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
- P06A6 2017 GMC Sierra indicates 5V Reference 1 Performance.
- 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 P06A6 2017 GMC Sierra Description
What are the Possible Causes of the DTC P06A6 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 P06A6 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.
What is the Cost to Diagnose the Code?
Labor: 1.0
To diagnose the P06A6 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 P06A6 2017 GMC Sierra code?
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Frequently Asked Questions about P06A6 2017 GMC Sierra Code
1. What does the OBDII code P06A6 mean on a 2017 GMC Sierra?
The P06A6 code indicates a "5V Reference 1 Performance" issue, meaning there is a problem with the 5-volt reference signal used by various engine sensors.
2. What are the common symptoms of a P06A6 code in a GMC Sierra?
Symptoms may include a check engine light, poor engine performance, erratic sensor readings, stalling, or difficulty starting.
3. What causes the P06A6 code to appear?
Common causes include a shorted or open circuit in the 5V reference signal, a faulty sensor, a damaged wiring harness, or a malfunctioning engine control module (ECM).
4. Which sensors rely on the 5V reference signal in a 2017 GMC Sierra?
Sensors like the throttle position sensor (TPS), manifold absolute pressure (MAP) sensor, and crankshaft position sensor rely on the 5V reference signal.
5. Can I drive my GMC Sierra with the P06A6 code?
Driving with this code is not recommended, as it can lead to poor engine performance or potential stalling, which may be unsafe.
6. How do I diagnose the P06A6 code on my GMC Sierra?
Start by inspecting the wiring and connectors for damage, use a multimeter to check the 5V reference circuit, and test sensors connected to the circuit for faults.
7. What tools are needed to fix the P06A6 code?
You'll need an OBDII scanner, a multimeter, and possibly wiring repair tools such as electrical tape, connectors, and a soldering kit.
8. How much does it cost to repair the P06A6 code?
Repair costs vary depending on the issue but typically range from $100 to $500, depending on whether sensors, wiring, or the ECM need replacement.
9. Can a faulty ECM cause the P06A6 code?
Yes, a malfunctioning engine control module can cause the 5V reference circuit to fail, triggering the P06A6 code.
10. Will clearing the code with a scanner fix the P06A6 issue?
Clearing the code will turn off the check engine light temporarily, but the underlying issue must be resolved to prevent the code from returning.
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