P1F17 Buick 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 Buick 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 Buick Description
What are the Possible Causes of the DTC P1F17 Buick?
- 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 Buick?
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 Buick 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 Buick Code
1. What does the OBDII code P1F17 mean on a Buick?
The P1F17 code indicates a "System Isolation/Impact Sensor Fault," typically related to the hybrid or EV battery system contactors being open or malfunctioning.
2. What are the symptoms of a P1F17 code in a Buick?
Common symptoms include warning lights on the dashboard (e.g., a hybrid system warning), the vehicle failing to start, reduced power, or the hybrid/EV system not functioning properly.
3. What causes the P1F17 code to appear on a Buick?
Possible causes include faulty battery contactors, a damaged isolation/impact sensor, wiring issues, or a malfunction in the hybrid/EV battery control module.
4. Can I drive my Buick with the P1F17 code?
It’s not recommended to drive with this code, as it may indicate a serious issue with the hybrid or EV battery system that could lead to further damage or safety risks.
5. How do I fix a P1F17 code on a Buick?
Repairs may involve inspecting and replacing the battery contactors, repairing damaged wiring, or replacing a faulty isolation/impact sensor. A professional diagnosis is recommended.
6. What tools are needed to diagnose the P1F17 code?
You’ll need an OBDII scanner capable of reading hybrid/EV system codes, a multimeter for testing electrical connections, and possibly manufacturer-specific diagnostic software.
7. Can a dead 12-volt battery cause the P1F17 code on a Buick?
Yes, a weak or dead 12-volt battery can sometimes trigger this code, as it may disrupt communication or power to the hybrid/EV system.
8. Is the P1F17 code specific to hybrid or electric Buicks?
Yes, this code is specific to hybrid or EV models, as it relates to the battery system contactors and safety isolation features.
9. How much does it cost to repair a P1F17 code on a Buick?
Repair costs vary widely depending on the issue, ranging from $150 for minor wiring repairs to over $1,000 for replacing contactors or sensors.
10. Can a software update fix the P1F17 code on a Buick?
In some cases, a software update for the hybrid/EV control module may resolve the issue, but this depends on the specific root cause.
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