P0723 2016 GMC Sierra Code - Transmission Output Speed Sensor Circuit Intermittent
Quick Answer
The Output Speed Sensor (OSS) is a hall-effect type sensor. Common causes include Faulty Transmission Output Speed Sensor (OSS), Transmission Output Speed Sensor harness is open or shorted, Transmission Output Speed Sensor 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
- P0723 2016 GMC Sierra indicates Transmission Output Speed Sensor Circuit Intermittent.
- Common causes
- Common causes include Faulty Transmission Output Speed Sensor (OSS), Transmission Output Speed Sensor harness is open or shorted, Transmission Output Speed Sensor 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 P0723 2016 GMC Sierra Description
The Diagnostic Trouble Code (DTC) will be set when the TCM detects the transmission output speed dropped is greater than 650 RPM for 1.5 s.
What are the Possible Causes of the DTC P0723 2016 GMC Sierra?
- Faulty Transmission Output Speed Sensor (OSS)
- Transmission Output Speed Sensor harness is open or shorted
- Transmission Output Speed Sensor circuit poor electrical connection
- Faulty Transmission Control Module (TCM)
How to Fix the DTC P0723 2016 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 P0723 2016 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 P0723 2016 GMC Sierra code?
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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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