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

- Code Popularity: 23,623 Views
- Repair Importance Level: 3/3
- Repair Difficulty Level: 3/3
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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)
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How to Fix the DTC P1389?

Review the 'Possible Causes' mentioned above and visually examine the corresponding wiring harness and connectors. Ensure to check for any damaged components and inspect the connector pins for signs of being broken, bent, pushed out, or corroded.

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What is the Cost to Diagnose the Code?

Labor: 1.0

To diagnose the P1389 code, it typically requires 1.0 hour of labor. The specific diagnosis time and labor rates at auto repair shops can differ based on factors such as the location, make and model of the vehicle, and even the engine type. It is common for most auto repair shops to charge between $75 and $150 per hour.

What are Code Possible Symptoms?

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

Code P1389 Description

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.

OBDII Code P1389 - No Auto Shutdown Relay Voltage At Powertrain Control Module - AutoCodes.com
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

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

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Code P1389 comments

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