AutoCodesHonda – P1297 Honda

P1297 Honda Code - Electric Load Detector Circuit Low Voltage

Quick Answer

The Electric Load Detector (ELD) measures the main current flow and sends that signal to the Engine Control Module (ECM) to command the alternator charging system to get fuel efficiency and decrease the drag of the engine when starting. Common causes include Faulty Electronic Load Detector Unit, Faulty Engine Control Module (ECM), Electronic Load Detector Unit 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
P1297 Honda indicates Electric Load Detector Circuit Low Voltage.
Common causes
Common causes include Faulty Electronic Load Detector Unit, Faulty Engine Control Module (ECM), Electronic Load Detector Unit 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.
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Code Popularity 30,613
How popular is this code, among other codes? Low
Table of contents Created and updated by William Orellana on Sep 07, 2023
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Code P1297 Honda Description

The Electric Load Detector (ELD) measures the main current flow and sends that signal to the Engine Control Module (ECM) to command the alternator charging system to get fuel efficiency and decrease the drag of the engine when starting.
OBDII Code P1297 Honda - Electric Load Detector Circuit Low Voltage - AutoCodes.com
P1297 Honda Code - Electric Load Detector Circuit Low Voltage

What are the Possible Causes of the DTC P1297 Honda?

  • Faulty Electronic Load Detector Unit
  • Faulty Engine Control Module (ECM)
  • Electronic Load Detector Unit harness is open or shorted
  • Electronic Load Detector Unit circuit poor electrical connection

How to Fix the DTC P1297 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.

Code Tech Notes

What is the Cost to Diagnose the Code?

Labor: 1.0

To diagnose the P1297 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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Information for Specific Honda Models

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.

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