AutoCodes – Dodge – P1389 Dodge

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

Quick Answer

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. Common causes include Faulty ASD Relay, ASD Relay harness is open or shorted, ASD Relay circuit poor electrical connection. 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: P1389 Dodge indicates No Auto Shutdown Relay Voltage At Powertrain Control Module.
Common causes: Common causes include Faulty ASD Relay, ASD Relay harness is open or shorted, ASD Relay circuit poor electrical connection.
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 32,410

How popular is this code, among other codes? Low

Repair Importance Level

Urgent (Diagnose now) (3 / 3)

Repair Difficulty Level

Advanced (Pro) (3 / 3)

What is this?

Table of contents Created and updated by William Orellana on Aug 26, 2019

Description
Possible Causes
How To Fix
Cost to Diagnose
FAQs
Comments
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Code P1389 Dodge 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 Dodge - No Auto Shutdown Relay Voltage At Powertrain Control Module - AutoCodes.com — P1389 Dodge Code - No Auto Shutdown Relay Voltage At Powertrain Control Module

What does this mean?

What are the Possible Causes of the DTC P1389 Dodge?

Faulty ASD Relay
ASD Relay harness is open or shorted
ASD Relay circuit poor electrical connection
Faulty Powertrain Control Module (PCM)

How to Fix the DTC P1389 Dodge?

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.

What is the Cost to Diagnose the Code?

Labor: 1.0

To diagnose the P1389 Dodge 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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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 P1389 Dodge Code

1. What are the common symptoms of OBDII code P1389 in a Dodge vehicle?

- Common symptoms include engine stalling, no start condition, and illuminated Check Engine Light.

2. What can cause the OBDII code P1389 in a Dodge?

- The code is triggered when there is no voltage detected at the Powertrain Control Module (PCM) from the Auto Shutdown (ASD) relay.

3. How can I diagnose the root cause of the OBDII code P1389 in my Dodge?

- Start by checking the ASD relay for proper function, inspecting related wiring for damage, and ensuring a good electrical connection to the PCM.

4. What are some tips for repairing OBDII code P1389 in a Dodge?

- Common repairs include replacing a faulty ASD relay, repairing damaged wiring, and ensuring proper electrical connections at the PCM.

5. Can a DIY enthusiast fix the OBDII code P1389 issue in a Dodge?

- While some aspects of diagnosis and repair can be done by DIYers, dealing with electrical issues may require professional expertise to ensure proper repair and avoid further damage.

6. Is it safe to drive my Dodge with the OBDII code P1389 present?

- It is not recommended to drive the vehicle with this code present, as it can lead to engine stalling and potential safety hazards on the road.

7. Will resetting the OBDII code P1389 make it go away permanently?

- Resetting the code may temporarily clear the Check Engine Light, but if the underlying issue causing P1389 is not resolved, the code is likely to return.

8. How much does it typically cost to repair OBDII code P1389 in a Dodge?

- The cost of repair can vary depending on the root cause of the issue, but it may involve replacing the ASD relay, repairing wiring, or addressing PCM-related problems.

9. Can a bad battery or alternator cause the OBDII code P1389 in a Dodge?

- A weak battery or faulty alternator can potentially contribute to electrical issues, but the direct cause of P1389 is usually related to the ASD relay or wiring.

10. Are there any recalls or technical service bulletins related to OBDII code P1389 in Dodge vehicles?

- It's advisable to check with Dodge dealerships or online databases for any relevant recalls or technical service bulletins related to OBDII code P1389 to see if the issue is covered under warranty or a known problem.