AutoCodes – Acura – P16D5 Acura

P16D5 Acura Code - F-CAN Malfunction Internal Malfunction

Quick Answer

The Controller Area Network (CAN) transmits/receives pulsing signals to/from the control modules simultaneously by using two signal lines (CANH and CANL). Common causes include Controller Area Network (CAN) Communication, Faulty Powertrain Control Module (PCM), Powertrain Control Module (PCM) harness is open or shorted. 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
P16D5 Acura indicates F-CAN Malfunction Internal Malfunction.
Common causes
Common causes include Controller Area Network (CAN) Communication, Faulty Powertrain Control Module (PCM), Powertrain Control Module (PCM) harness is open or shorted.
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 1,343
How popular is this code, among other codes? Low
Table of contents Created and updated by William Orellana on Jan 10, 2020
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Code P16D5 Acura Description

The Controller Area Network (CAN) transmits/receives pulsing signals to/from the control modules simultaneously by using two signal lines (CANH and CANL).
When the signals are not sent from the CVT CPU through the F-CAN and this condition continues for a specified time, or when the signals sent from the CVT CPU are abnormal and this condition continues for a specified cycle, a malfunction is detected and a DTC is stored.
OBDII Code P16D5 Acura - F-CAN Malfunction Internal Malfunction - AutoCodes.com
P16D5 Acura Code - F-CAN Malfunction Internal Malfunction

What are the Possible Causes of the DTC P16D5 Acura?

  • Controller Area Network (CAN) Communication
  • Faulty Powertrain Control Module (PCM)
  • Powertrain Control Module (PCM) harness is open or shorted
  • Powertrain Control Module (PCM) circuit poor electrical connection

How to Fix the DTC P16D5 Acura?

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 P16D5 Acura 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 P16D5 Acura code?

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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 P16D5 Acura Code

1. What are the common symptoms of the OBDII code P16D5 (Acura) F-CAN Malfunction Internal Malfunction?

- Common symptoms of this code may include rough idling, engine misfires, reduced engine performance, and the illumination of the Check Engine Light.

2. What are some possible causes of the OBDII code P16D5 (Acura) F-CAN Malfunction Internal Malfunction?

- Possible causes of this code include a faulty F-CAN communication network, damaged wiring or connectors, or a malfunctioning control module.

3. How can I diagnose the OBDII code P16D5 (Acura) F-CAN Malfunction Internal Malfunction?

- Diagnosis typically involves using an OBDII scanner to retrieve the trouble code, inspecting the F-CAN communication system, checking for any loose connections, and testing the control modules involved.

4. Is it safe to continue driving with the OBDII code P16D5 (Acura) F-CAN Malfunction Internal Malfunction?

- It is not recommended to drive with this code present, as it can lead to further damage to the vehicle and potentially affect its performance and safety.

5. How can I repair the OBDII code P16D5 (Acura) F-CAN Malfunction Internal Malfunction?

- Repairing this code may involve repairing or replacing damaged wiring, connectors, or control modules, as well as ensuring proper communication within the F-CAN network.

6. Can a DIY enthusiast fix the OBDII code P16D5 (Acura) F-CAN Malfunction Internal Malfunction?

- While some basic troubleshooting steps can be performed by a DIY enthusiast, diagnosing and repairing this code may require specialized tools and expertise, so it is often best left to a professional mechanic.

7. How much does it typically cost to repair the OBDII code P16D5 (Acura) F-CAN Malfunction Internal Malfunction?

- The cost of repairing this code can vary depending on the extent of the issue, the parts needed for replacement, and the labor costs of the repair shop. It is recommended to obtain a few quotes from different mechanics for an accurate estimate.

8. Will resetting the OBDII code P16D5 (Acura) F-CAN Malfunction Internal Malfunction make it go away permanently?

- Resetting the code may temporarily turn off the Check Engine Light, but if the underlying issue causing the code is not addressed, it is likely to return. It is important to diagnose and repair the root cause of the problem.

9. Can extreme weather conditions trigger the OBDII code P16D5 (Acura) F-CAN Malfunction Internal Malfunction?

- Extreme weather conditions can potentially affect the F-CAN communication network, leading to the triggering of this code. It is important to ensure all components are properly insulated and protected.

10. How long does it take to repair the OBDII code P16D5 (Acura) F-CAN Malfunction Internal Malfunction?

- The repair time for this code can vary depending on the exact cause of the issue, the availability of parts, and the workload of the repair shop. In some cases, it can be resolved within a few hours, while in others, it may take longer.

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