Engine-Codes - Jeep - P1389 JEEP

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

Repair Importance Level: 3/3
Repair Difficulty Level: 3/3  What is this?
Table of contents

P1389 JEEP Possible Causes

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

How is the P1389 JEEP code repair?

Start by checking 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's pins.

What is the cost to diagnose the P1389 JEEP code

Labor: 1.0

The cost to diagnose the P1389 JEEP code is 1.0 hour of labor. The auto repair labor rates vary widely across the country, and even within the same city. Most auto repairs shops charge between $75 and $150 per hour.

Possible Symptoms

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

P1389 JEEP Meaning

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.

More Information

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