AutoCodes – Honda – P1243 Honda

P1243 Honda Code - Throttle Position Insufficient

Quick Answer

P1243 Honda indicates Throttle Position Insufficient. Common causes include Misadjust Throttle Position, Faulty Throttle Position, Throttle Position harness is open or shorted. 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: P1243 Honda indicates Throttle Position Insufficient.
Common causes: Common causes include Misadjust Throttle Position, Faulty Throttle Position, Throttle Position harness is open or shorted.
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.

Save to My Repairs My Repairs

AI answers can be wrong. Verify repairs with testing. Open full chat

Code Popularity 3,271

How popular is this code, among other codes? Low

Repair Importance Level

Urgent (Diagnose now) (3 / 3)

Repair Difficulty Level

Intermediate (2 / 3)

What is this?

Table of contents Created and updated by William Orellana on Jul 21, 2019

Description
Possible Causes
How To Fix
Cost to Diagnose
Comments
Add Comment

💬 Need more help? Ask Coddy for instant answers — it's free!

Code P1243 Honda Description

OBDII Code P1243 Honda - Throttle Position Insufficient - AutoCodes.com — P1243 Honda Code - Throttle Position Insufficient

What does this mean?

What are the Possible Causes of the DTC P1243 Honda?

Misadjust Throttle Position
Faulty Throttle Position
Throttle Position harness is open or shorted
Throttle Position circuit poor electrical connection

How to Fix the DTC P1243 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 P1243 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 P1243 Honda code?

Need more information on how to fix the P1243 Honda code? Get Access to Factory Service Manuals

Need Help with the Code?

Get the P1243 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.