P2517 GMC Code - Air Condition Refrigerant Pressure Sensor 'B' Circuit Low
Quick Answer
The P2517 diagnostic trouble code for GMC vehicles refers to the Air Condition Refrigerant Pressure Sensor 'B' Circuit Low. Common causes include Faulty refrigerant pressure sensor: The sensor itself may be malfunctioning, providing incorrect readings to the vehicle's computer, Wiring issues: Damaged or corroded wiring connecting the sensor to the vehicle's computer can disrupt the signal and trigger the code, Low refrigerant levels: Insufficient refrigerant in the system can cause low pressure readings and trigger the code. Severity is Low - monitor the vehicle and repair when practical. The vehicle can usually be driven if no severe symptoms are present, but symptoms should be checked before extended driving.
- What it means
- P2517 GMC indicates Air Condition Refrigerant Pressure Sensor 'B' Circuit Low.
- Common causes
- Common causes include Faulty refrigerant pressure sensor: The sensor itself may be malfunctioning, providing incorrect readings to the vehicle's computer, Wiring issues: Damaged or corroded wiring connecting the sensor to the vehicle's computer can disrupt the signal and trigger the code, Low refrigerant levels: Insufficient refrigerant in the system can cause low pressure readings and trigger the code.
- Severity
- Low - monitor the vehicle and repair when practical.
- Can I drive?
- The vehicle can usually be driven if no severe symptoms are present, but symptoms should be checked before extended driving.
Fix Your Car Smarter
Try the New AutoCodes App!
Get complete OBDII diagnostics, repair solutions, and cost estimates, plus AI chat support on demand.
Code P2517 GMC Description
The P2517 diagnostic trouble code for GMC vehicles refers to the Air Condition Refrigerant Pressure Sensor 'B' Circuit Low. This code indicates that there is a problem with the circuit that monitors the refrigerant pressure in the air conditioning system. The refrigerant pressure sensor plays a crucial role in regulating the pressure levels within the AC system to ensure optimal performance and efficiency.
Common Causes of P2517 GMC
- Faulty refrigerant pressure sensor: The sensor itself may be malfunctioning, providing incorrect readings to the vehicle's computer.
- Wiring issues: Damaged or corroded wiring connecting the sensor to the vehicle's computer can disrupt the signal and trigger the code.
- Low refrigerant levels: Insufficient refrigerant in the system can cause low pressure readings and trigger the code.
- AC system leaks: Leaks in the AC system can lead to loss of refrigerant and pressure, causing the sensor to detect low levels.
Symptoms of P2517 GMC
- Reduced cooling performance: The AC system may struggle to cool the air as effectively as before, resulting in warmer temperatures inside the vehicle.
- Inconsistent cooling: The air conditioning may blow cold air intermittently or fail to maintain a consistent temperature.
- AC compressor cycling: The compressor may cycle on and off frequently, indicating a problem with the refrigerant pressure regulation.
- AC system not engaging: The AC system may fail to engage altogether, leaving the vehicle without any cooling function.
How to Fix P2517 GMC
- Diagnostic check: Begin by performing a diagnostic check to confirm the P2517 code and identify the specific issue with the refrigerant pressure sensor.
- Sensor replacement: If the sensor is found to be faulty, replace it with a new one to ensure accurate pressure readings.
- Check wiring: Inspect the wiring connecting the sensor to the vehicle's computer for any damage or corrosion. Repair or replace as needed.
- Refrigerant refill: Check the refrigerant levels in the AC system and refill as necessary to ensure proper pressure levels.
- Clear codes: After completing the repair process, clear the diagnostic trouble codes from the vehicle's computer to reset the system and monitor for any recurring issues.
Cost to Fix P2517 GMC
The cost of repairing the P2517 code for the Air Condition Refrigerant Pressure Sensor 'B' Circuit Low can vary depending on the specific cause of the issue and the labor rates at the auto repair shop. On average, the repair costs for this issue can range from $150 to $300, including parts and labor. However, it's essential to note that diagnosis time and labor rates can vary based on factors such as location, vehicle make and model, and engine type. It's recommended to check with local auto repair shops for a more accurate estimate based on your specific circumstances.
Tech Notes for P2517 GMC
When is the Code Detected?
Need more information about the P2517 GMC code?
Need more information on how to fix the P2517 GMC code? Get Access to Factory Service Manuals
Need Help with the Code?
Get the P2517 GMC code diagnosed by a professional: Find a repair shop in your area
Frequently Asked Questions about P2517 GMC Code
What does the OBDII code P2517 mean on a GMC?
P2517 indicates a low voltage or signal issue in the air conditioning refrigerant pressure sensor 'B' circuit.
What are the common symptoms of the P2517 code?
Symptoms may include the air conditioning not working, reduced cooling performance, or the check engine light turning on.
What causes the P2517 code on a GMC vehicle?
Common causes include a faulty refrigerant pressure sensor, damaged wiring or connectors, or a malfunction in the air conditioning control module.
Can I still drive my GMC with a P2517 code?
Yes, you can drive the vehicle, but the air conditioning system may not function properly, and ignoring the issue could lead to further damage.
How do you diagnose the P2517 code?
Diagnosis involves using a scan tool to check the code, inspecting the refrigerant pressure sensor and its wiring, and testing the sensor's voltage and resistance.
How do you fix the P2517 code?
Repairs may include replacing the refrigerant pressure sensor, repairing damaged wiring or connectors, or recalibrating the air conditioning control module.
Is the P2517 code related to low refrigerant levels?
Not directly. While low refrigerant levels can cause AC performance issues, this code points to an electrical problem in the pressure sensor circuit.
How much does it cost to fix the P2517 code?
Costs vary but typically range from $100 to $300, depending on whether the sensor needs replacement or if wiring repairs are required.
Can a bad refrigerant pressure sensor damage the AC system?
If left unaddressed, a faulty sensor can lead to improper AC operation, potentially straining components like the compressor.
Do I need special tools to fix the P2517 code?
Yes, diagnosing and repairing this code often requires a scan tool, a multimeter, and possibly AC system-specific tools.
Discuss the causes and fixes for P2517 GMC OBDII Code
Code P2517 GMC comments
No comments found for this page.
Fix Your Car Smarter
Try the New AutoCodes App!
Get complete OBDII diagnostics, repair solutions, and cost estimates, plus AI chat support on demand.