ASD Relay Control Circuit Conditions
Table of contents
P1388 DODGE Possible Causes
- Faulty ASD Relay
- ASD Relay harness is open or shorted
- ASD Relay circuit poor electrical connection
How do I fix code P1388 DODGE?
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’s pins.
Cost of diagnosing the P1388 DODGE code
The cost of diagnosing the P1388 DODGE code is 1.0 hour of labor. The auto repair labor rates vary by location, your vehicle’s make and model, and even your engine type. 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 DODGE Description
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).