P0872 2016 GMC Sierra Code - Transmission Fluid Pressure Switch 3 Circuit Low Voltage
Quick Answer
The P0872 diagnostic trouble code (DTC) for a 2016 GMC Sierra indicates a problem with the Transmission Fluid Pressure Switch 3 Circuit, specifically detecting low voltage. Common causes include Faulty transmission fluid pressure switch, Wiring or connector issues related to the switch, Low transmission fluid levels or dirty fluid. 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
- P0872 2016 GMC Sierra indicates Transmission Fluid Pressure Switch 3 Circuit Low Voltage.
- Common causes
- Common causes include Faulty transmission fluid pressure switch, Wiring or connector issues related to the switch, Low transmission fluid levels or dirty fluid.
- 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 P0872 2016 GMC Sierra Description
The P0872 diagnostic trouble code (DTC) for a 2016 GMC Sierra indicates a problem with the Transmission Fluid Pressure Switch 3 Circuit, specifically detecting low voltage. This switch is a crucial component in the transmission system that monitors and regulates the fluid pressure to ensure smooth gear shifts and overall transmission performance. When the voltage detected by the switch falls below the specified threshold, it triggers the P0872 code, signaling an issue that needs attention.
Common Causes of P0872 2016 GMC Sierra
- Faulty transmission fluid pressure switch
- Wiring or connector issues related to the switch
- Low transmission fluid levels or dirty fluid
- Malfunctioning transmission control module
- Electrical problems in the transmission system
Symptoms of P0872 2016 GMC Sierra
- Erratic shifting or delayed gear changes
- Harsh or rough transmission shifts
- Transmission slipping or jerking
- Illumination of the Check Engine Light
- Reduced fuel efficiency
How to Fix P0872 2016 GMC Sierra
- Begin by diagnosing the specific cause of the low voltage in the Transmission Fluid Pressure Switch 3 Circuit using a diagnostic scanner.
- Inspect the wiring and connectors associated with the switch for any damage, corrosion, or loose connections.
- Test the transmission fluid pressure switch itself to determine if it is functioning correctly or needs replacement.
- Check the transmission fluid level and condition, topping up or replacing it if necessary.
- If the issue persists, consider inspecting the transmission control module for faults or errors that may be affecting the switch's operation.
Cost to Fix P0872 2016 GMC Sierra
The typical repair costs for addressing a P0872 code in a 2016 GMC Sierra can range from $200 to $500, depending on the specific cause of the issue and the parts or components that require replacement. This estimate includes the cost of parts such as a new transmission fluid pressure switch, wiring repairs, and labor charges. However, actual repair costs may vary based on factors such as the location of the repair shop, the vehicle's make and model, and the extent of the repairs needed. It's recommended to consult with a qualified mechanic or service center to obtain a more accurate cost estimate for resolving this transmission-related issue.
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