P0723 2016 GMC Sierra Code - Transmission Output Speed Sensor Circuit Intermittent
Quick Answer
The P0723 diagnostic trouble code (DTC) for a 2016 GMC Sierra indicates an issue with the Transmission Output Speed Sensor Circuit being intermittent. Common causes include Faulty transmission output speed sensor, Loose or corroded wiring/connectors, Damaged sensor harness. 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 2016 GMC Sierra indicates Transmission Output Speed Sensor Circuit Intermittent.
- Common causes
- Common causes include Faulty transmission output speed sensor, Loose or corroded wiring/connectors, Damaged sensor harness.
- 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 2016 GMC Sierra Description
The P0723 diagnostic trouble code (DTC) for a 2016 GMC Sierra indicates an issue with the Transmission Output Speed Sensor Circuit being intermittent. This sensor is responsible for monitoring the speed of the output shaft of the transmission. The information provided by this sensor is crucial for the proper operation of the transmission, as it helps the vehicle's computer system determine the appropriate shift points and ensure smooth gear changes.
Common Causes of P0723 2016 GMC Sierra
- Faulty transmission output speed sensor
- Loose or corroded wiring/connectors
- Damaged sensor harness
- Transmission fluid contamination
- Internal transmission issues
Symptoms of P0723 2016 GMC Sierra
- Erratic shifting or delayed gear changes
- Harsh or rough shifting
- Transmission slipping
- Check Engine Light illuminated
- Decreased fuel efficiency
How to Fix P0723 2016 GMC Sierra
- Begin by diagnosing the issue using a scan tool to confirm the P0723 code and identify the specific cause.
- Inspect the wiring and connectors associated with the transmission output speed sensor for any damage or corrosion. Repair or replace as necessary.
- Test the transmission output speed sensor using a multimeter to ensure it is functioning properly. Replace the sensor if it is faulty.
- Clear the DTC from the vehicle's computer and test drive the vehicle to ensure the issue has been resolved.
- If the problem persists, further diagnostics may be required to identify any underlying transmission issues that could be causing the intermittent signal.
Cost to Fix P0723 2016 GMC Sierra
The typical repair costs for addressing a P0723 code on a 2016 GMC Sierra can vary depending on the specific cause of the issue. In general, replacing a transmission output speed sensor can cost between $100 and $300, including parts and labor. However, if additional repairs or diagnostics are needed, the total cost could increase. It's important to consider the specific diagnosis time and labor rates at auto repair shops, which can vary based on location and other factors. It's advisable to consult with a qualified mechanic for a more accurate estimate based on your individual circumstances.
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Frequently Asked Questions about P0723 2016 GMC Sierra Code
What does OBDII code P0723 mean for a 2016 GMC Sierra?
P0723 indicates an intermittent issue in the transmission output speed sensor circuit, which monitors the speed of the vehicle’s output shaft.
What are the symptoms of code P0723 in a 2016 GMC Sierra?
Common symptoms include erratic shifting, transmission slipping, inaccurate speedometer readings, or the check engine light being illuminated.
What causes the P0723 code on a 2016 GMC Sierra?
Causes include a faulty output speed sensor, damaged wiring or connectors, transmission fluid contamination, or issues with the vehicle’s PCM.
Can driving with code P0723 damage my GMC Sierra?
Driving with this code can cause long-term transmission damage if unresolved, as improper shifting may lead to excessive wear.
How do you diagnose code P0723 on a 2016 GMC Sierra?
Diagnosis involves checking the output speed sensor, inspecting wiring and connectors for damage, and testing the PCM for proper signal transmission.
How do you fix code P0723 on a 2016 GMC Sierra?
Repairs may include replacing the output speed sensor, repairing damaged wiring or connectors, or reprogramming the PCM if necessary.
Where is the transmission output speed sensor located on a 2016 GMC Sierra?
The sensor is typically located near the rear of the transmission housing, close to the output shaft.
What tools are needed to troubleshoot P0723 on a GMC Sierra?
You’ll need an OBDII scanner, multimeter for testing wiring, and possibly basic hand tools for accessing the sensor.
Can a low transmission fluid level cause code P0723?
Yes, low or contaminated transmission fluid can cause erratic sensor readings, leading to the P0723 code.
How much does it cost to fix P0723 on a 2016 GMC Sierra?
Repair costs vary but typically range from $100 to $300, depending on whether the issue is the sensor, wiring, or PCM.
Discuss the causes and fixes for P0723 2016 GMC Sierra OBDII Code
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