Engine-Codes.com
Engine-Codes – Dodge – P1388 Dodge

P1388 Dodge Code - ASD Relay Control Circuit Conditions

Quick Answer

The P1388 diagnostic trouble code (DTC) for Dodge vehicles relates to the ASD (Auto Shutdown) relay control circuit conditions. Common causes include Faulty ASD relay, Wiring issues or corrosion, Blown fuse related to the ASD relay. 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
P1388 Dodge indicates ASD Relay Control Circuit Conditions.
Common causes
Common causes include Faulty ASD relay, Wiring issues or corrosion, Blown fuse related to the ASD relay.
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.
What is this?
Table of contents Created and updated by William Orellana on Sep 06, 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 P1388 Dodge Description

The P1388 diagnostic trouble code (DTC) for Dodge vehicles relates to the ASD (Auto Shutdown) relay control circuit conditions. The ASD relay is responsible for supplying power to various systems in the vehicle, including the ignition system, fuel injectors, and the fuel pump. When this code is triggered, it indicates that there is an issue with the control circuit that manages the ASD relay. This can lead to a variety of performance issues and potentially cause the vehicle to stall or not start at all.

OBDII Code P1388 Dodge - ASD Relay Control Circuit Conditions
P1388 Dodge Code - ASD Relay Control Circuit Conditions

Common Causes of P1388 Dodge

  1. Faulty ASD relay
  2. Wiring issues or corrosion
  3. Blown fuse related to the ASD relay
  4. ECM malfunction
  5. Poor electrical connections

Symptoms of P1388 Dodge

  1. Engine stalling or failing to start
  2. Rough idle or misfiring
  3. Reduced engine performance
  4. Check engine light illuminated
  5. Fuel pump not priming

How to Fix P1388 Dodge

  1. Begin by conducting a thorough inspection of the ASD relay, wiring, and related components.
  2. Test the ASD relay for proper functionality and replace if necessary.
  3. Check and replace any damaged wiring or connectors.
  4. Inspect and replace any blown fuses related to the ASD relay.
  5. Clear the code from the vehicle's computer system and perform a test drive to ensure the issue has been resolved.

Cost to Fix P1388 Dodge

The typical repair costs for addressing the P1388 code can vary depending on the specific cause of the issue. On average, the cost of parts for replacing an ASD relay can range from $50 to $150, while labor costs can range from $80 to $150 per hour. In total, the repair for this issue could cost anywhere from $150 to $500, depending on the extent of the repairs needed. It's recommended to consult with a qualified mechanic to get an accurate estimate based on your specific vehicle and location.

When is the Code Detected?

ECM commanded on the ASD or CNG relay and detected an open or shorted condition

Need more information about the P1388 Dodge code?

Need more information on how to fix the P1388 Dodge code? Get Access to Factory Service Manuals

Need Help with the Code?

Get the P1388 Dodge 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 P1388 Dodge Code

No Frequently Asked Questions about P1388 Dodge Code found.

Discuss the causes and fixes for P1388 Dodge OBDII Code

Submit a New Comment

Code P1388 Dodge comments

No comments found for this page.