P0723 2017 GMC Sierra Code - Transmission Output Speed Sensor Circuit Intermittent
Quick Answer
The P0723 diagnostic trouble code (DTC) for a 2017 GMC Sierra indicates a problem with the Transmission Output Speed Sensor Circuit being intermittent. Common causes include Faulty Transmission Output Speed Sensor, Damaged wiring or connectors in the sensor circuit, Corrosion or poor connections in the sensor circuit. 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
- P0723 2017 GMC Sierra indicates Transmission Output Speed Sensor Circuit Intermittent.
- Common causes
- Common causes include Faulty Transmission Output Speed Sensor, Damaged wiring or connectors in the sensor circuit, Corrosion or poor connections in the sensor circuit.
- 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.
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Code P0723 2017 GMC Sierra Description
The P0723 diagnostic trouble code (DTC) for a 2017 GMC Sierra indicates a problem with the Transmission Output Speed Sensor Circuit being intermittent. The Transmission Output Speed Sensor is a crucial component in the vehicle's transmission system that monitors the speed of the output shaft. This information is essential for the transmission control module to determine the appropriate gear shifting and overall transmission performance.
Common Causes of P0723 2017 GMC Sierra
- Faulty Transmission Output Speed Sensor
- Damaged wiring or connectors in the sensor circuit
- Corrosion or poor connections in the sensor circuit
- Issues with the transmission control module
- Electrical interference or short circuits
Symptoms of P0723 2017 GMC Sierra
- Erratic shifting patterns
- Hesitation during acceleration
- Transmission slipping gears
- Illuminated Check Engine Light
- Harsh shifting or delayed engagement
How to Fix P0723 2017 GMC Sierra
- Begin by diagnosing the specific cause of the intermittent signal, which may involve using a scan tool to read live data and pinpoint the issue.
- Inspect the wiring and connectors in the sensor circuit for any damage, corrosion, or poor connections. Repair or replace as necessary.
- Test the Transmission Output Speed Sensor for proper operation and replace if found to be faulty.
- Clear the DTC from the vehicle's computer memory and test drive the vehicle to ensure the issue has been resolved.
- If the problem persists, further diagnostic testing may be required to identify any underlying issues with the transmission control module or other related components.
Cost to Fix P0723 2017 GMC Sierra
The typical repair costs for addressing a P0723 code on a 2017 GMC Sierra can vary depending on the specific cause of the issue. In general, the cost of replacing a Transmission Output Speed Sensor can range from $100 to $300, including parts and labor. If additional repairs or diagnostic testing are needed, the total cost could increase. It's important to note that labor rates at auto repair shops can vary, with hourly rates typically ranging between $80 and $150. Factors such as location, vehicle make and model, and engine type can also impact the overall repair costs. For a more accurate estimate, it is recommended to consult with local auto repair shops.
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Frequently Asked Questions about P0723 2017 GMC Sierra Code
What does the OBDII code P0723 mean on a 2017 GMC Sierra?
Code P0723 indicates an intermittent issue with the transmission output speed sensor circuit, which monitors the speed of the transmission output shaft.
What are the common symptoms of P0723 in a 2017 GMC Sierra?
Symptoms may include erratic shifting, reduced fuel efficiency, a lit check engine light, and possibly the transmission entering limp mode.
What causes the P0723 code to appear?
Common causes include a faulty transmission output speed sensor, damaged wiring or connectors, corrosion in the circuit, or issues with the powertrain control module (PCM).
Can a P0723 code affect the drivability of my 2017 GMC Sierra?
Yes, it can cause shifting problems, reduced power, and inconsistent transmission performance, which may impact overall drivability.
How do I diagnose the P0723 code on my GMC Sierra?
Start by inspecting the output speed sensor, wiring, and connectors for damage or corrosion. Use a multimeter to check for proper voltage and continuity.
Do I need to replace the transmission output speed sensor if I have a P0723 code?
Not always. First, inspect the sensor and its wiring for damage or loose connections. Replace the sensor only if it is determined to be faulty.
Can I still drive my 2017 GMC Sierra with a P0723 code?
Driving may be possible, but it is not recommended as the code can cause transmission issues that may worsen over time and lead to further damage.
How much does it cost to fix a P0723 code on a GMC Sierra?
Repair costs vary, but replacing the output speed sensor typically costs $100-$300, while addressing wiring issues may add to the expense.
Can a P0723 code be cleared without fixing the issue?
Clearing the code without addressing the root cause may temporarily turn off the check engine light, but the code will likely return when the issue recurs.
What tools do I need to fix a P0723 code?
You may need an OBDII scanner, multimeter, and basic hand tools for inspecting and replacing the speed sensor and repairing wiring.
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