AutoCodes – Acura – P16D6 Acura

P16D6 Acura Code - IMA-CAN Malfunction Internal Malfunction

Quick Answer

The Integrated Motor Assist-Controller Area Network (IMA-CAN) uses two signal lines, IMACANH and IMACANL, and it receives and transmits multiple signals simultaneously to/from multiple control modules. Common causes include Controller Integrated Motor Assist-Controller Area Network (IMA-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: P16D6 Acura indicates IMA-CAN Malfunction Internal Malfunction.
Common causes: Common causes include Controller Integrated Motor Assist-Controller Area Network (IMA-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 1,190

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 Jan 10, 2020

Description
Possible Causes
How To Fix
Cost to Diagnose
FAQs
Comments
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Code P16D6 Acura Description

The Integrated Motor Assist-Controller Area Network (IMA-CAN) uses two signal lines, IMACANH and IMACANL, and it receives and transmits multiple signals simultaneously to/from multiple control modules.
When the signals are not sent from the CVT CPU through the IMA-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 P16D6 Acura - IMA-CAN Malfunction Internal Malfunction - AutoCodes.com — P16D6 Acura Code - IMA-CAN Malfunction Internal Malfunction

What does this mean?

What are the Possible Causes of the DTC P16D6 Acura?

Controller Integrated Motor Assist-Controller Area Network (IMA-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 P16D6 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 P16D6 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.

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Need Help with the 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 P16D6 Acura Code

1. What does the OBDII code P16D6 mean for an Acura?

The code P16D6 indicates an "IMA-CAN Malfunction Internal Malfunction," which relates to a communication or internal fault in the Integrated Motor Assist (IMA) system on hybrid Acura models.

2. What are the common symptoms of the P16D6 code in an Acura?

Symptoms may include an illuminated check engine light, hybrid system warning lights, reduced fuel efficiency, loss of hybrid functionality, or the IMA system not assisting during acceleration.

3. What causes the P16D6 code to appear in an Acura?

Common causes include a faulty IMA motor control module, damaged or corroded wiring in the CAN communication circuit, a failing hybrid battery, or internal communication issues within the IMA system.

4. Can I drive my Acura with the P16D6 code?

While the vehicle may still operate on the gasoline engine, driving with this code can lead to reduced performance and fuel efficiency. Itâ€™s best to address the issue promptly to avoid further damage.

5. How is the P16D6 code diagnosed in an Acura?

A mechanic will use a scan tool to confirm the code, inspect the IMA system's wiring and connectors, test the hybrid battery, and check the CAN communication network for faults.

6. What repairs are needed to fix the P16D6 code?

Repairs may involve replacing the IMA motor control module, repairing damaged wiring or connectors, updating the vehicleâ€™s software, or replacing the hybrid battery if itâ€™s faulty.

7. How much does it cost to repair the P16D6 code on an Acura?

Repair costs vary depending on the issue but can range from $200 for wiring repairs to over $2,000 if the hybrid battery or IMA control module needs replacement.

8. Can a software update fix the P16D6 code in an Acura?

In some cases, a software update from Acura may resolve internal communication issues in the IMA system. Check with your dealership for any relevant technical service bulletins (TSBs).

9. What preventative maintenance can help avoid the P16D6 code?

Regularly inspect and maintain the IMA system components, ensure connectors are clean and secure, and address any warning lights or hybrid system issues promptly.

10. Do I need a dealership to fix the P16D6 code on my Acura?

While independent repair shops with hybrid expertise can address this issue, a dealership may have specialized tools and software updates specific to the IMA system.