P06A5 Chevrolet 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 Chevrolet 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 Chevrolet Description
What are the Possible Causes of the DTC P06A5 Chevrolet?
- 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 Chevrolet?
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 Chevrolet 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 Chevrolet code?
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Information for Specific Chevrolet Models
- P06A5 2014 Chevrolet Silverado — 5 Volt Reference 4 Circuit High Voltage
- P06A5 2015 Chevrolet Silverado — 5 Volt Reference 4 Circuit High Voltage
- P06A5 2016 Chevrolet Silverado — 5 Volt Reference 4 Circuit High Voltage
- P06A5 2017 Chevrolet Silverado — 5 Volt Reference 4 Circuit High Voltage
- P06A5 2018 Chevrolet Silverado — 5 Volt Reference 4 Circuit High Voltage
Frequently Asked Questions about P06A5 Chevrolet Code
What does the OBDII code P06A5 mean on a Chevrolet?
The P06A5 code indicates a "5 Volt Reference 4 Circuit High Voltage" issue, meaning the circuit providing a 5-volt reference to certain sensors has a higher-than-expected voltage.
What are the common symptoms of the P06A5 code on a Chevrolet?
Symptoms may include the check engine light turning on, engine performance issues, poor fuel economy, or erratic sensor readings.
What causes the P06A5 code on a Chevrolet?
Common causes include a faulty sensor connected to the 5-volt reference 4 circuit, damaged wiring, a short to voltage, or a malfunctioning engine control module (ECM).
Can I drive my Chevrolet with the P06A5 code?
It is not recommended to drive with this code active, as it can lead to poor engine performance or further damage to the electrical system.
How do I diagnose the P06A5 code on a Chevrolet?
Diagnosis involves using a scan tool to check live data, inspecting the 5-volt reference 4 circuit wiring for damage, and testing sensors connected to the circuit for faults.
Which sensors are typically associated with the 5-volt reference 4 circuit on a Chevrolet?
The sensors vary by model but may include the throttle position sensor, MAP sensor, or other engine control sensors.
How can I fix the P06A5 code on a Chevrolet?
Repairs may include replacing a faulty sensor, repairing damaged wiring or connectors, or updating/replacing the ECM if necessary.
Can a blown fuse cause the P06A5 code on a Chevrolet?
A blown fuse is unlikely to cause this specific code, as it relates to high voltage rather than a lack of power.
What tools are needed to troubleshoot the P06A5 code on a Chevrolet?
You’ll need an OBDII scanner, a multimeter to check voltage, and possibly a wiring diagram for your vehicle's 5-volt reference 4 circuit.
How much does it cost to repair the P06A5 code on a Chevrolet?
The cost depends on the root cause but typically ranges from $100 to $500, including parts and labor.
Discuss the causes and fixes for P06A5 Chevrolet OBDII Code
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