AutoCodes – Honda – P1326 Honda

P1326 Honda Code - Ignition Control Module Combustion Quality Input Signal

Quick Answer

The Engine Control Module (ECM) monitors the Ignition Control Module (ICM). Common causes include Faulty Ignition Control Module (ICM), Ignition Control Module (ICM) harness is open or shorted, Ignition Control Module (ICM) 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: P1326 Honda indicates Ignition Control Module Combustion Quality Input Signal.
Common causes: Common causes include Faulty Ignition Control Module (ICM), Ignition Control Module (ICM) harness is open or shorted, Ignition Control Module (ICM) 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 5,958

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 Apr 13, 2023

Description
Step-by-Step Diagnostic Guide
Possible Causes
How To Fix
Cost to Diagnose
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Code P1326 Honda Description

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

OBDII Code P1326 Honda - Ignition Control Module Combustion Quality Input Signal - AutoCodes.com — P1326 Honda Code - Ignition Control Module Combustion Quality Input Signal

What does this mean?

What are the Possible Causes of the DTC P1326 Honda?

Faulty Ignition Control Module (ICM)
Ignition Control Module (ICM) harness is open or shorted
Ignition Control Module (ICM) circuit poor electrical connection

How to Fix the DTC P1326 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 P1326 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.

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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.