Engine-Codes - Generic - P1389

P1389 Code - No Auto Shutdown Relay Voltage At Powertrain Control Module

- Code Popularity: 23,614 Views
- Repair Importance Level: 3/3
- Repair Difficulty Level: 3/3
Table of contents
ChatAC AutoCodes.com AI Chat

What are the Possible Causes of the DTC P1389?

NOTE: The causes shown may not be a complete list of all potential problems, and it is possible that there may be other causes.
  • Faulty Auto Shutdown (ASD) Relay
  • Auto Shutdown (ASD) Relay harness is open or shorted
  • Auto Shutdown (ASD) Relay circuit poor electrical connection
  • Faulty Powertrain Control Module (PCM)
⚠ Does your Car have Safety Recalls? → Check here

How to Fix the DTC P1389?

Check the 'Possible Causes' listed above. Visually inspect the related wiring harness and connectors. Check for damaged components and look for broken, bent, pushed out, or corroded connector pins.

Search for P1389 Questions and Answers: Search here →

What is the Cost to Diagnose the Code?

Labor: 1.0

The cost to diagnose the P1389 code is 1.0 hour of labor. The diagnosis time and labor rates at auto repair shops vary depending on the location, make and model of the vehicle, and even the engine type. Most auto repair shops charge between $75 and $150 per hour.

What are Code Possible Symptoms?

  • Engine Light ON (or Service Engine Soon Warning Light)

What Does the P1389 Code Mean?

The Auto Shutdown (ASD) relay voltage is monitored with the engine running, battery voltage more than 10.4 volts and engine speed more than 400 RPM. The Diagnostic Trouble Code (DTC) will set in the Powertrain Control Module (PCM) memory when PCM does not sense voltage when ASD relay is energized.

P1389 Code - No Auto Shutdown Relay Voltage At Powertrain Control Module

Need more Information on the Code?

Need more information on how to fix the P1389 code? Get Access to Factory Service Manuals

Code P1389 Information for Specific Makes

  • P1389 Audi Engine Control Module 2 Defective
  • P1389 Chrysler No Auto Shutdown Relay Voltage At Powertrain Control Module
  • P1389 Dodge No Auto Shutdown Relay Voltage At Powertrain Control Module
  • P1389 Ford Glow Plug Circuit High Side Low Input
  • P1389 Jeep No Auto Shutdown Relay Voltage At Powertrain Control Module
  • P1389 RAM No Auto Shutdown Relay Voltage At Powertrain Control Module
  • P1389 Volkswagen Engine Control Module 2 Defective

Need Help with the Code?

Get the P1389 code diagnosed by a professional: Find a repair shop in your area