Engine-Codes - Chrysler - P1388 CHRYSLER

P1388 CHRYSLER - ASD Relay Control Circuit Conditions

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

P1388 CHRYSLER Possible Causes

  • Faulty ASD Relay
  • ASD Relay harness is open or shorted
  • ASD Relay circuit poor electrical connection

How is the P1388 CHRYSLER 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 P1388 CHRYSLER code

Labor: 1.0

The cost to diagnose the P1388 CHRYSLER 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.

When is the code detected?

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

Possible Symptoms

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

P1388 CHRYSLER Meaning

With the key on, system voltage over 10v, ASD relay commanded on, then the test started and the Powertrain Control Module (PCM) detected an open or short condition in the ASD relay control circuit. Test the ASD relay resistance (it should be 30-70 ohms).

More Information

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