AutoCodes – Cadillac – P1F16 Cadillac

P1F16 Cadillac Code - Battery Charger Hybrid/EV Battery Output Current Sensor Exceeded Learning Limit

Quick Answer

The battery charger will diagnose its own systems and determine when a fault condition is present. 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
P1F16 Cadillac indicates Battery Charger Hybrid/EV Battery Output Current Sensor Exceeded Learning Limit.
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 1,094
How popular is this code, among other codes? Low
Table of contents Created and updated by William Orellana on Apr 25, 2020
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Code P1F16 Cadillac Description

The battery charger will diagnose its own systems and determine when a fault condition is present. Diagnostics and system status is communicated from the battery charger to the hybrid/EV powertrain control module 2 through serial data. The hybrid/EV powertrain control module 2 is the host controller for Diagnostic Trouble Code (DTC) information. This DTC is for the battery charger are internal measurements that verify the charger is performing properly. The battery charger measures internal voltages, currents, and temperatures and verifies they are within the proper range.
OBDII Code P1F16 Cadillac - Battery Charger Hybrid/EV Battery Output Current Sensor Exceeded Learning Limit - AutoCodes.com
P1F16 Cadillac Code - Battery Charger Hybrid/EV Battery Output Current Sensor Exceeded Learning Limit

What are the Possible Causes of the DTC P1F16 Cadillac?

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

How to Fix the DTC P1F16 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 P1F16 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 P1F16 Cadillac code?

Need more information on how to fix the P1F16 Cadillac code? Get Access to Factory Service Manuals

Need Help with the Code?

Get the P1F16 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 P1F16 Cadillac Code

1. What are common symptoms of OBDII code P1F16 in a Cadillac hybrid/EV?

- Common symptoms include the check engine light being illuminated, reduced hybrid/EV system performance, and potential drivability issues.

2. What can cause the OBDII code P1F16 to trigger in a Cadillac hybrid/EV?

- This code can be triggered by a malfunction in the battery charger, issues with the hybrid/EV battery output current sensor, or exceeding the learning limit for sensor data.

3. How can I diagnose the cause of OBDII code P1F16 in my Cadillac hybrid/EV?

- Diagnosis typically involves using a professional OBDII scanner to read the code, checking the battery charger system, inspecting the current sensor, and analyzing sensor data to identify any learning limit issues.

4. Is it safe to continue driving my Cadillac with OBDII code P1F16 present?

- It is not recommended to continue driving the vehicle with this code active, as it can lead to further damage to the hybrid/EV system and potentially impact performance and safety.

5. What are some repair tips for fixing OBDII code P1F16 in a Cadillac hybrid/EV?

- Repair tips may include resetting the sensor learning limit, checking and repairing any issues with the battery charger or current sensor, and ensuring proper connection and communication within the hybrid/EV system.

6. Can I reset the OBDII code P1F16 in my Cadillac hybrid/EV without fixing the underlying issue?

- While you can clear the code temporarily, it is crucial to address the root cause to prevent the code from reoccurring and potentially causing more significant problems in the hybrid/EV system.

7. Are there any safety precautions to keep in mind when working on OBDII code P1F16 in a Cadillac hybrid/EV?

- Safety precautions may include disconnecting the hybrid/EV system, following manufacturer guidelines for working on high-voltage components, and wearing appropriate personal protective equipment.

8. Can a DIY enthusiast repair OBDII code P1F16 in a Cadillac hybrid/EV, or is professional assistance necessary?

- While some basic troubleshooting can be done by a DIY enthusiast, diagnosing and repairing issues related to this code may require specialized knowledge and tools, making professional assistance advisable in many cases.

9. How much does it typically cost to fix OBDII code P1F16 in a Cadillac hybrid/EV?

- The cost of repair can vary depending on the specific issue causing the code, the extent of the damage, and whether parts need to be replaced. It is recommended to consult a professional for an accurate estimate.

10. Can unresolved OBDII code P1F16 lead to more severe damage to the Cadillac's hybrid/EV system over time?

- Yes, leaving this code unresolved can potentially lead to further damage to the hybrid/EV system, affecting performance, efficiency, and safety. It is essential to address the issue promptly.

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