AutoCodes – Acura – P1607 Acura

P1607 Acura Code - Powertrain Control Module Internal Circuit Malfunction

Quick Answer

The Powertrain Control Module (PCM) controls fuel injector timing and duration, idle speed, ignition and camshaft timing, PCM back-up functions, and other functions. Common causes include Faulty Engine Control Module (ECM), Faulty Powertrain Control Module (PCM). 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: P1607 Acura indicates Powertrain Control Module Internal Circuit Malfunction.
Common causes: Common causes include Faulty Engine Control Module (ECM), Faulty Powertrain Control Module (PCM).
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 22,751

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 Jul 13, 2020

Description
Step-by-Step Diagnostic Guide
Possible Causes
How To Fix
Cost to Diagnose
Comments
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Code P1607 Acura Description

The Powertrain Control Module (PCM) controls fuel injector timing and duration, idle speed, ignition and camshaft timing, PCM back-up functions, and other functions. The Powertrain Control Module monitors itself for malfunctions. The Diagnostic Trouble Code (DTC) will set when the Powertrain Control Module detects an internal circuit failure.

OBDII Code P1607 Acura - Powertrain Control Module Internal Circuit Malfunction - AutoCodes.com — P1607 Acura Code - Powertrain Control Module Internal Circuit Malfunction

What does this mean?

What are the Possible Causes of the DTC P1607 Acura?

Faulty Engine Control Module (ECM)
Faulty Powertrain Control Module (PCM)

How to Fix the DTC P1607 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 P1607 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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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.