AutoCodes – Honda – P16C7 Honda

P16C7 Honda Code - Rear Engine Mount Actuator Control Circuit High Current

Quick Answer

The engine mount control system controls the engine mounts electronically. Common causes include Faulty Rear Engine Mount Actuator, Rear Engine Mount Actuator harness is open or shorted, Rear 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: P16C7 Honda indicates Rear Engine Mount Actuator Control Circuit High Current.
Common causes: Common causes include Faulty Rear Engine Mount Actuator, Rear Engine Mount Actuator harness is open or shorted, Rear 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 1,725

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 P16C7 Honda 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 P16C7 Honda - Rear Engine Mount Actuator Control Circuit High Current - AutoCodes.com — P16C7 Honda Code - Rear Engine Mount Actuator Control Circuit High Current

What does this mean?

What are the Possible Causes of the DTC P16C7 Honda?

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

How to Fix the DTC P16C7 Honda?

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 P16C7 Honda 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 P16C7 Honda code?

Need more information on how to fix the P16C7 Honda code? Get Access to Factory Service Manuals

Need Help with the Code?

Get the P16C7 Honda 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 P16C7 Honda Code

1. What are the common symptoms of OBDII code P16C7 in a Honda vehicle?

The common symptoms of OBDII code P16C7 include rough idling, excessive vibration, and difficulty shifting gears.

2. What can cause the Rear Engine Mount Actuator Control Circuit High Current code in a Honda?

The P16C7 code in a Honda is typically caused by a faulty rear engine mount actuator, damaged wiring, or a malfunctioning engine control module (ECM).

3. How can I diagnose the P16C7 code in my Honda?

Diagnosing the P16C7 code involves using an OBDII scanner to retrieve the fault code, inspecting the rear engine mount actuator and its wiring for damage, and testing the circuit for proper voltage and continuity.

4. Can I continue driving my Honda with the P16C7 trouble code?

While it may be possible to drive your Honda with the P16C7 code, it is not recommended as it can lead to further damage to the engine mount system and affect the vehicle's performance.

5. How can I repair the Rear Engine Mount Actuator Control Circuit High Current issue in my Honda?

To repair the P16C7 code, you may need to replace the rear engine mount actuator, repair any damaged wiring, or reprogram the engine control module (ECM) to clear the fault code.

6. Are there any DIY tips for fixing the P16C7 code in a Honda?

DIY tips for addressing the P16C7 code include checking and cleaning the electrical connectors, ensuring proper grounding of the engine mount system, and following the manufacturer's repair guidelines.

7. Can a faulty rear engine mount actuator cause other issues in a Honda?

Yes, a faulty rear engine mount actuator can lead to increased engine vibrations, poor acceleration, and transmission shifting problems in a Honda vehicle.

8. How much does it typically cost to repair the P16C7 code in a Honda?

The cost of repairing the P16C7 code in a Honda can vary depending on the exact cause of the issue, but it may range from $200 to $500 for parts and labor.

9. Will resetting the OBDII code P16C7 in my Honda make it go away permanently?

Resetting the P16C7 code may temporarily clear the fault code, but if the underlying issue is not addressed and repaired, the code is likely to reappear during normal driving conditions.

10. Is it recommended to seek professional help for diagnosing and repairing the P16C7 code in my Honda?

Yes, it is advisable to seek help from a qualified mechanic or technician who has experience with diagnosing and repairing OBDII codes like P16C7 to ensure the issue is properly resolved and prevent further damage to your vehicle.