AutoCodes – Buick – P1F58 Buick

P1F58 Buick Code - Hybrid/EV Battery Pack Coolant Control Valve Position Sensor Performance - Unexpected Position Change Detected

Quick Answer

The valve provides position feedback to the hybrid/EV powertrain control module 2 based on a potentiometer in the valve. Common causes include Faulty Hybrid/EV Battery Pack Coolant Control Valve Position Sensor, Hybrid/EV Battery Pack Coolant Control Valve Position Sensor harness is open or shorted, Hybrid/EV Battery Pack Coolant Control Valve Position 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
P1F58 Buick indicates Hybrid/EV Battery Pack Coolant Control Valve Position Sensor Performance - Unexpected Position Change Detected.
Common causes
Common causes include Faulty Hybrid/EV Battery Pack Coolant Control Valve Position Sensor, Hybrid/EV Battery Pack Coolant Control Valve Position Sensor harness is open or shorted, Hybrid/EV Battery Pack Coolant Control Valve Position 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.
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Code Popularity 890
How popular is this code, among other codes? Low
Table of contents Created and updated by William Orellana on Apr 26, 2020
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Code P1F58 Buick Description

The valve provides position feedback to the hybrid/EV powertrain control module 2 based on a potentiometer in the valve. The hybrid/EV powertrain control module 2 uses this feedback to monitor the valve position. Different valve positions correspond to different resistance values. The hybrid/EV powertrain control module 2 determines the resistance values corresponding to the end stop positions of the valve by moving the valve to an end-stop and back to its original position when the vehicle is first turned on. This is referred to as the hybrid/EV powertrain control module 2
OBDII Code P1F58 Buick - Hybrid/EV Battery Pack Coolant Control Valve Position Sensor Performance - Unexpected Position Change Detected - AutoCodes.com
P1F58 Buick Code - Hybrid/EV Battery Pack Coolant Control Valve Position Sensor Performance - Unexpected Position Change Detected

What are the Possible Causes of the DTC P1F58 Buick?

  • Faulty Hybrid/EV Battery Pack Coolant Control Valve Position Sensor
  • Hybrid/EV Battery Pack Coolant Control Valve Position Sensor harness is open or shorted
  • Hybrid/EV Battery Pack Coolant Control Valve Position Sensor circuit poor electrical connection

How to Fix the DTC P1F58 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 P1F58 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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About the author: William Orellana is a Master Mechanic and Mechanical Engineer with over 30 years of experience diagnosing and repairing vehicles. Learn more about his background.

Frequently Asked Questions about P1F58 Buick Code

1. What are the common symptoms of OBDII code P1F58 in a Buick related to the Hybrid/EV Battery Pack Coolant Control Valve Position Sensor?

- Common symptoms include the check engine light illuminating, decreased fuel efficiency, and potential issues with battery pack cooling system performance.

2. What can cause the OBDII code P1F58 in a Buick Hybrid/EV vehicle?

- This code is typically triggered by an unexpected position change detected in the Hybrid/EV Battery Pack Coolant Control Valve Position Sensor, which may be caused by sensor malfunctions or wiring issues.

3. How serious is the OBDII code P1F58 in a Buick Hybrid/EV vehicle?

- While the vehicle may still be operable with this code present, it is important to address it promptly to prevent potential damage to the battery pack coolant control system.

4. Can driving with the OBDII code P1F58 in a Buick cause further damage?

- Continuing to drive with this code may lead to inefficient cooling of the battery pack, potentially resulting in overheating and reduced performance of the hybrid/EV system.

5. How can I diagnose and repair the OBDII code P1F58 in my Buick Hybrid/EV vehicle?

- Diagnosis typically involves inspecting the Hybrid/EV Battery Pack Coolant Control Valve Position Sensor and its wiring for any issues. Repair may involve sensor replacement, wiring repairs, or software updates.

6. Is it safe to continue driving my Buick with the OBDII code P1F58 until I can have it repaired?

- It is recommended to avoid prolonged driving with this code present to prevent any potential damage to the hybrid/EV battery pack cooling system.

7. Can I reset the OBDII code P1F58 in my Buick Hybrid/EV vehicle by disconnecting the battery?

- While disconnecting the battery may clear the code temporarily, it is important to address the underlying issue causing the code to prevent it from reoccurring.

8. How much does it typically cost to repair the OBDII code P1F58 in a Buick Hybrid/EV vehicle?

- Repair costs can vary depending on the exact cause of the code, but it may involve sensor replacement, wiring repairs, or software updates, which can range from a few hundred to over a thousand dollars.

9. Will the OBDII code P1F58 cause my Buick Hybrid/EV vehicle to fail emissions testing?

- Yes, the presence of this code may cause your vehicle to fail emissions testing, as it indicates a malfunction related to the hybrid/EV battery pack coolant control system.

10. Can I prevent the OBDII code P1F58 from appearing in my Buick Hybrid/EV vehicle?

- Regular maintenance, including checking the battery pack coolant control system components and addressing any issues promptly, can help prevent the occurrence of this code.

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