AutoCodes – Generic – P15AC

P15AC Code - Engine Mounting Control Module Internal Circuit Malfunction

Quick Answer

The Engine Control Module (ECM) monitors the Engine Mounting Control Module. Common causes include Faulty Engine Mounting Control Module, Engine Mounting Control Module harness is open or shorted, Engine Mounting Control Module 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: P15AC indicates Engine Mounting Control Module Internal Circuit Malfunction.
Common causes: Common causes include Faulty Engine Mounting Control Module, Engine Mounting Control Module harness is open or shorted, Engine Mounting Control Module 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 2,725

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 02, 2020

Description
Possible Causes
How To Fix
Cost to Diagnose
Comments
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Code P15AC Description

The Engine Control Module (ECM) monitors the Engine Mounting Control Module. The ECM sets the OBDII code when the Engine Mounting Control Module is not to factory specifications.

OBDII Code P15AC - Engine Mounting Control Module Internal Circuit Malfunction - AutoCodes.com — P15AC Code - Engine Mounting Control Module Internal Circuit Malfunction

What does this mean?

What are the Possible Causes of the DTC P15AC?

Faulty Engine Mounting Control Module
Engine Mounting Control Module harness is open or shorted
Engine Mounting Control Module circuit poor electrical connection

How to Fix the DTC P15AC?

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 P15AC 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 P15AC code?

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Information for Specific Makes

P15AC Honda — Engine Mounting Control Module Internal Circuit Malfunction

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.