AutoCodes – Cadillac – P1F03 Cadillac

P1F03 Cadillac Code - Battery Charger Control Module Supply Voltage Performance

Quick Answer

The battery charger contains several internal sensor diagnostics that require the vehicle AC supply to be in the proper range. Common causes include Faulty Battery Charger, Battery Charger harness is open or shorted, Battery Charger 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: P1F03 Cadillac indicates Battery Charger Control Module Supply Voltage Performance.
Common causes: Common causes include Faulty Battery Charger, Battery Charger harness is open or shorted, Battery Charger 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 816

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 25, 2020

Description
Possible Causes
How To Fix
Cost to Diagnose
FAQs
Comments
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Code P1F03 Cadillac Description

The battery charger contains several internal sensor diagnostics that require the vehicle AC supply to be in the proper range. These diagnostics are internal battery charger diagnostics, but need the correct AC voltage to run properly.

OBDII Code P1F03 Cadillac - Battery Charger Control Module Supply Voltage Performance - AutoCodes.com — P1F03 Cadillac Code - Battery Charger Control Module Supply Voltage Performance

What does this mean?

What are the Possible Causes of the DTC P1F03 Cadillac?

Faulty Battery Charger
Battery Charger harness is open or shorted
Battery Charger circuit poor electrical connection

How to Fix the DTC P1F03 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 P1F03 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 P1F03 Cadillac code?

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Need Help with the Code?

Get the P1F03 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 P1F03 Cadillac Code

1. What are the common symptoms of OBDII code P1F03 in a Cadillac related to the Battery Charger Control Module Supply Voltage Performance?

- Common symptoms include issues with starting the vehicle, dimming lights, and the battery not charging properly.

2. What are some possible causes of OBDII code P1F03 in a Cadillac?

- Possible causes may include a faulty battery charger control module, a weak or dead battery, loose or corroded electrical connections, or a defective alternator.

3. How can I diagnose the source of OBDII code P1F03 in my Cadillac?

- Diagnosing the issue may involve checking the battery voltage, inspecting the battery charger control module, testing the alternator output, and verifying the integrity of electrical connections.

4. What are some repair tips for resolving OBDII code P1F03 in a Cadillac?

- Repair tips may include replacing the battery charger control module, charging or replacing the battery, cleaning or tightening electrical connections, and testing the alternator for proper function.

5. Can OBDII code P1F03 in a Cadillac be safely driven with?

- It is recommended to address the underlying issue causing the code to prevent further damage to the vehicle's electrical system. Driving with this code may lead to battery drainage or other electrical issues.

6. How serious is OBDII code P1F03 in a Cadillac?

- While the severity may vary, it is important to address this code promptly to prevent potential issues with starting the vehicle or maintaining a stable electrical system.

7. Is it possible to reset OBDII code P1F03 in a Cadillac without addressing the root cause?

- Resetting the code without fixing the underlying issue may temporarily clear the error code, but it is likely to reappear if the root cause is not resolved.

8. Can a DIY enthusiast fix OBDII code P1F03 in a Cadillac?

- Depending on the individual's skill level and access to tools, some repairs related to this code, such as checking and cleaning electrical connections, may be possible for a DIY enthusiast. However, more complex issues may require professional assistance.

9. Will OBDII code P1F03 in a Cadillac cause the vehicle to fail an emissions test?

- Depending on local regulations, having an unresolved OBDII code like P1F03 may cause the vehicle to fail an emissions test. It is advisable to address the issue before undergoing emissions testing.

10. How much can I expect to pay to repair OBDII code P1F03 in a Cadillac?

- Repair costs for this code can vary depending on the root cause and whether the repair is performed by a DIY enthusiast or a professional mechanic. Costs may include parts and labor, with prices ranging from a few hundred to potentially over a thousand dollars.