AutoCodes – Cadillac – P1F63 Cadillac

P1F63 Cadillac Code - Hybrid/EV System Voltage Discharge Circuit Performance

Quick Answer

This is an internal fault detection of the power inverter module, often referred to as the drive motor generator power inverter module. Common causes include Faulty Power Inverter Module, Power Inverter Module harness is open or shorted, Power Inverter Module 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: P1F63 Cadillac indicates Hybrid/EV System Voltage Discharge Circuit Performance.
Common causes: Common causes include Faulty Power Inverter Module, Power Inverter Module harness is open or shorted, Power Inverter Module 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.

Save to My Repairs My Repairs

AI answers can be wrong. Verify repairs with testing. Open full chat

Code Popularity 1,082

How popular is this code, among other codes? Low

Repair Importance Level

Urgent (Diagnose now) (3 / 3)

Repair Difficulty Level

Advanced (Pro) (3 / 3)

What is this?

Table of contents Created and updated by William Orellana on Apr 27, 2020

Description
Possible Causes
How To Fix
Cost to Diagnose
FAQs
Comments
Add Comment

💬 Need more help? Ask Coddy for instant answers — it's free!

Code P1F63 Cadillac Description

This is an internal fault detection of the power inverter module, often referred to as the drive motor generator power inverter module. This fault is handled inside the power inverter module, and no external circuits are involved.

OBDII Code P1F63 Cadillac - Hybrid/EV System Voltage Discharge Circuit Performance - AutoCodes.com — P1F63 Cadillac Code - Hybrid/EV System Voltage Discharge Circuit Performance

What does this mean?

What are the Possible Causes of the DTC P1F63 Cadillac?

Faulty Power Inverter Module
Power Inverter Module harness is open or shorted
Power Inverter Module circuit poor electrical connection

How to Fix the DTC P1F63 Cadillac?

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 P1F63 Cadillac 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.

Need more information about the P1F63 Cadillac code?

Need more information on how to fix the P1F63 Cadillac code? Get Access to Factory Service Manuals

Need Help with the Code?

Get the P1F63 Cadillac code diagnosed by a professional: Find a repair shop in your area

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 P1F63 Cadillac Code

1. What are the common symptoms of OBDII code P1F63 in a Cadillac Hybrid/EV system?

- Common symptoms include reduced hybrid system performance, decreased fuel efficiency, and potentially a check engine light.

2. What could cause OBDII code P1F63 to trigger in a Cadillac Hybrid/EV system?

- The code may be triggered by issues such as a faulty high voltage battery, a malfunctioning voltage control module, or wiring/connectivity problems.

3. How can I diagnose the issue related to OBDII code P1F63 in my Cadillac Hybrid/EV system?

- Diagnosis typically involves using a scan tool to read the code, checking the high voltage battery condition, inspecting the voltage control module, and verifying the integrity of electrical connections.

4. What should I do if I encounter OBDII code P1F63 in my Cadillac Hybrid/EV system?

- It is recommended to address the issue promptly to prevent further damage to the hybrid system. Seek assistance from a qualified mechanic or dealership for proper diagnosis and repair.

5. Can I continue driving my Cadillac with OBDII code P1F63 present?

- It is not advisable to continue driving the vehicle with this code as it may lead to reduced performance and potential damage to the hybrid/EV system.

6. How much does it typically cost to repair OBDII code P1F63 in a Cadillac Hybrid/EV system?

- Repair costs can vary depending on the root cause of the issue, but expect to budget for diagnostic fees, parts replacement (such as the high voltage battery or voltage control module), and labor costs.

7. Are there any DIY tips for addressing OBDII code P1F63 in a Cadillac Hybrid/EV system?

- Due to the complexity and high voltage nature of the hybrid system, it is recommended to leave diagnosis and repairs to experienced professionals to ensure safety and proper resolution.

8. Can a low 12-volt battery voltage cause OBDII code P1F63 to appear in a Cadillac Hybrid/EV system?

- Yes, a low 12-volt battery voltage can potentially trigger this code as the hybrid system relies on both the high voltage battery and the 12-volt battery for proper operation.

9. Is it possible for OBDII code P1F63 to be a false alarm in a Cadillac Hybrid/EV system?

- While rare, false alarms can occur due to temporary electrical glitches. However, it is essential to have the system thoroughly checked to rule out any underlying issues.

10. How can regular maintenance help prevent OBDII code P1F63 from appearing in a Cadillac Hybrid/EV system?

- Regular maintenance, including checking the high voltage battery health, monitoring charging levels, and inspecting electrical components, can help detect potential issues early and prevent the occurrence of this code.