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P16C8 Acura Code - Front Engine Mount Actuator Control Circuit High Current

Quick Answer

The engine mount control system controls the engine mounts electronically. Common causes include Faulty Front Engine Mount Actuator, Front Engine Mount Actuator harness is open or shorted, Front Engine Mount Actuator 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
P16C8 Acura indicates Front Engine Mount Actuator Control Circuit High Current.
Common causes
Common causes include Faulty Front Engine Mount Actuator, Front Engine Mount Actuator harness is open or shorted, Front Engine Mount Actuator 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 1,150
How popular is this code, among other codes? Low
What is this?
Table of contents Created and updated by William Orellana on Jan 10, 2020
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Code P16C8 Acura Description

The engine mount control system controls the engine mounts electronically. The system consists of the engine mount actuators, the engine mount control unit, and the Powertrain Control Module (PCM). The engine mount control unit uses the crankshaft and camshaft position sensor outputs (received from the PCM) to estimate engine vibration. The engine mount control unit then sends signals to the engine mount actuators to command the engine mounts to push and pull on the engine to counteract engine vibration. The engine mount control unit monitors the engine mount control unit voltage. If the ACM RLY OUT voltage is set value or less for a set time, the engine mount control unit detects a malfunction and stores a DTC.
OBDII Code P16C8 Acura - Front Engine Mount Actuator Control Circuit High Current - AutoCodes.com
P16C8 Acura Code - Front Engine Mount Actuator Control Circuit High Current
What does this mean?

What are the Possible Causes of the DTC P16C8 Acura?

  • Faulty Front Engine Mount Actuator
  • Front Engine Mount Actuator harness is open or shorted
  • Front Engine Mount Actuator circuit poor electrical connection
  • Faulty Engine Mount Control Unit

How to Fix the DTC P16C8 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 P16C8 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 P16C8 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 P16C8 Acura Code

1. What does the OBDII code P16C8 mean on an Acura?

P16C8 indicates a problem with the Front Engine Mount Actuator Control Circuit, specifically that it is experiencing high current.

2. What are the symptoms of the P16C8 code in an Acura?

Common symptoms include increased engine vibrations, a possible check engine light, and reduced ride comfort.

3. What causes the P16C8 code on an Acura?

The code is typically caused by a faulty front engine mount actuator, damaged wiring or connectors, or a malfunctioning engine control module (ECM).

4. Can I drive my Acura with the P16C8 code?

While the vehicle may still be drivable, ignoring the issue can lead to further damage or excessive vibrations that may affect other components.

5. How do I diagnose the P16C8 code on an Acura?

Start by inspecting the wiring and connectors to the front engine mount actuator for damage or corrosion. Use a multimeter to verify current and voltage levels, and test the actuator itself.

6. How is the P16C8 code fixed on an Acura?

Repairs may involve replacing the front engine mount actuator, repairing or replacing damaged wiring, or reprogramming/updating the ECM if necessary.

7. What tools are needed to troubleshoot the P16C8 code?

You’ll need an OBDII scanner, a multimeter, and basic tools for inspecting and repairing wiring or replacing the actuator.

8. How much does it cost to repair the P16C8 code on an Acura?

The repair cost varies but typically ranges from $200 to $600, depending on whether the issue is with the actuator, wiring, or ECM.

9. Can a software update fix the P16C8 code on an Acura?

In some cases, an ECM software update or reprogramming may resolve the issue if it's related to a software glitch.

10. How can I prevent the P16C8 code from reoccurring?

Regular maintenance, inspecting engine mounts for wear or damage, and addressing wiring issues promptly can help prevent this code from reappearing.

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