Engine-Codes - Chrysler - P1388 Chrysler

P1388 Chrysler Code - ASD Relay Control Circuit Conditions

- Code Popularity: 21,480 Views
- Repair Importance Level: 3/3
- Repair Difficulty Level: 3/3
Table of contents
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What are the Possible Causes of the DTC P1388 Chrysler?

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 ASD Relay
  • ASD Relay harness is open or shorted
  • ASD Relay circuit poor electrical connection
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How to Fix the DTC P1388 Chrysler?

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.

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What is the Cost to Diagnose the Code?

Labor: 1.0

The cost to diagnose the P1388 Chrysler 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.

When is the Code Detected?

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

What are Code Possible Symptoms?

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

What Does the P1388 Chrysler Code Mean?

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).

P1388 Chrysler Code - ASD Relay Control Circuit Conditions

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