Engine-CodesHonda – P1682 Honda

P1682 Honda Code - Automotic Transmission To Engine Control Module Signal 'A' Input High

Quick Answer

The P1682 code in a Honda indicates a problem with the communication between the automatic transmission and the engine control module. Common causes include Corrosion or damage to the wiring or connectors between the automatic transmission and engine control module, Loose or poor connections in the wiring harness, Faulty engine control module. 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
P1682 Honda indicates Automotic Transmission To Engine Control Module Signal 'A' Input High.
Common causes
Common causes include Corrosion or damage to the wiring or connectors between the automatic transmission and engine control module, Loose or poor connections in the wiring harness, Faulty engine control module.
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.
Table of contents Created and updated by William Orellana on Sep 10, 2024
💬 Need more help? Ask Auto Expert for instant answers — it's free!
AutoCodes App

Fix Your Car Smarter

Try the New AutoCodes App!

Get complete OBDII diagnostics, repair solutions, and cost estimates, plus AI chat support on demand.

AutoCodes App on Google Play

Code P1682 Honda Description

The P1682 code in a Honda indicates a problem with the communication between the automatic transmission and the engine control module. Specifically, it signifies that there is a high input signal being sent from the automatic transmission to the engine control module. This communication error can disrupt the proper functioning of the vehicle's systems, leading to potential performance issues.

OBDII Code P1682 Honda - Automotic Transmission To Engine Control Module Signal 'A' Input High
P1682 Honda Code - Automotic Transmission To Engine Control Module Signal 'A' Input High

Common Causes of P1682 Honda

  1. Corrosion or damage to the wiring or connectors between the automatic transmission and engine control module
  2. Loose or poor connections in the wiring harness
  3. Faulty engine control module
  4. Malfunctioning automatic transmission sensor

Symptoms of P1682 Honda

  1. Rough or erratic shifting of the automatic transmission
  2. Engine hesitation or lack of power
  3. Stalling or surging while driving
  4. Check Engine Light illuminated on the dashboard

How to Fix P1682 Honda

  1. Begin by conducting a thorough visual inspection of the wiring and connectors between the automatic transmission and engine control module. Look for any signs of corrosion, damage, or loose connections.
  2. Test the wiring harness using a multimeter to check for continuity and proper voltage levels.
  3. Inspect the engine control module and automatic transmission sensor for any signs of malfunction. Replace any faulty components as needed.
  4. Clear the diagnostic trouble codes from the vehicle's computer system using a scan tool.
  5. Test drive the vehicle to ensure that the issue has been resolved and that the communication between the automatic transmission and engine control module is functioning correctly.

Cost to Fix P1682 Honda

The typical repair costs for addressing a P1682 code in a Honda can range from $200 to $500, depending on the specific cause of the issue and the labor rates at the auto repair shop. This estimate includes the cost of parts such as wiring harnesses, connectors, and potentially a new engine control module or automatic transmission sensor. Keep in mind that diagnostic time and labor rates can vary based on location, vehicle make and model, and engine type. It's advisable to check with local auto repair shops for a more accurate cost estimate.

Need more information about the P1682 Honda code?

Need more information on how to fix the P1682 Honda code? Get Access to Factory Service Manuals

Need Help with the Code?

Get the P1682 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 P1682 Honda Code

No Frequently Asked Questions about P1682 Honda Code found.

Discuss the causes and fixes for P1682 Honda OBDII Code

Code P1682 Honda comments

No comments found for this page.