P1F17 GMC Code - System Isolation/Impact Sensor Fault - Hybrid/EV Battery System Contactors Open
Quick Answer
The hybrid/EV powertrain control module 2 will set DTC P1F17 if the hybrid/EV powertrain control module has detected a passive loss of isolation, the supplemental inflatable restraint sensors are not working or has lost communication with the hybrid/EV powertrain control module or the supplemental inflatable restraint module. Common causes include Faulty Hybrid/EV Powertrain Control Module 2, Hybrid/EV Powertrain Control Module 2 harness is open or shorted, Hybrid/EV Powertrain Control Module 2 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
- P1F17 GMC indicates System Isolation/Impact Sensor Fault - Hybrid/EV Battery System Contactors Open.
- Common causes
- Common causes include Faulty Hybrid/EV Powertrain Control Module 2, Hybrid/EV Powertrain Control Module 2 harness is open or shorted, Hybrid/EV Powertrain Control Module 2 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 P1F17 GMC Description
What are the Possible Causes of the DTC P1F17 GMC?
- Faulty Hybrid/EV Powertrain Control Module 2
- Hybrid/EV Powertrain Control Module 2 harness is open or shorted
- Hybrid/EV Powertrain Control Module 2 circuit poor electrical connection
How to Fix the DTC P1F17 GMC?
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 P1F17 GMC 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.
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Frequently Asked Questions about P1F17 GMC Code
1. What are the common symptoms of OBDII code P1F17 in a GMC vehicle?
- Common symptoms include the hybrid/EV system not engaging, reduced power, warning lights on the dashboard, and potential inability to start the vehicle.
2. What does the OBDII code P1F17 GMC indicate?
- The code indicates a fault with the system isolation/impact sensor in the hybrid/EV battery system, specifically with the contactors being open.
3. What are the possible causes of the System Isolation/Impact Sensor Fault (P1F17) in a GMC hybrid or electric vehicle?
- Possible causes include faulty contactors, wiring issues, sensor malfunctions, or problems with the hybrid/EV battery system components.
4. How can I diagnose the System Isolation/Impact Sensor Fault code P1F17 in my GMC vehicle?
- Diagnosing this code typically involves using a diagnostic scan tool to read the code, checking the wiring and connectors associated with the hybrid/EV battery system, and testing the contactors and sensors for proper functioning.
5. Can I continue to drive my GMC vehicle with the OBDII code P1F17 present?
- It is not recommended to drive the vehicle with this fault code present, as it can lead to further damage to the hybrid/EV system and potentially unsafe driving conditions.
6. How can I repair the System Isolation/Impact Sensor Fault (P1F17) in my GMC hybrid/EV vehicle?
- Repairing this fault may require replacing faulty contactors, repairing wiring issues, recalibrating sensors, or resetting the hybrid/EV system through a proper diagnostic procedure.
7. Are there any specific maintenance tips to prevent the recurrence of code P1F17 in a GMC hybrid or electric vehicle?
- Regularly inspecting the hybrid/EV system components, keeping the system well-maintained, and addressing any warning lights or issues promptly can help prevent the recurrence of this fault code.
8. Can a DIY enthusiast fix the System Isolation/Impact Sensor Fault code P1F17 in a GMC vehicle?
- While some aspects of diagnosing and repairing this code may be possible for DIY enthusiasts with the right tools and knowledge, it is recommended to consult a professional technician for proper diagnosis and repairs to ensure safety and accuracy.
9. How long does it typically take to repair the System Isolation/Impact Sensor Fault (P1F17) in a GMC hybrid or electric vehicle?
- The repair time can vary depending on the exact cause of the fault, but it can range from a few hours to a full day, especially if component replacement or extensive testing is required.
10. Is it necessary to reset the OBDII system after repairing the P1F17 fault code in a GMC vehicle?
- Yes, it is recommended to reset the OBDII system after repairing the fault code to clear the code from the system's memory and ensure that the repair was successful.
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