Auto Shutdown Relay Circuit
2004-2008 Chrysler Crossfire 3.2L V6
Description
The PCM has detected a malfunction in the Auto Shutdown (ASD) relay circuit. The ASD relay provides power to the fuel injectors, ignition coils, oxygen sensor heaters, and other critical engine management components.
Symptoms
- Check Engine Light
- Engine may not start
- Engine stalls and will not restart
- Intermittent no-start condition
- Loss of injector and coil power
Common Causes
- Faulty ASD relay
- Wiring open or short in ASD relay circuit
- Corroded ASD relay socket
- PCM driver circuit failure
- Blown ASD fuse
Diagnostic Steps
- Swap ASD relay with a known good relay
- Check ASD relay socket for power, ground, and PCM control signal
- Inspect ASD relay wiring for opens or shorts
- Test PCM ASD control output
- Check ASD fuse
Repair Notes
Replace the ASD relay and inspect the relay socket for corrosion or damage.
Related Codes
Other Powertrain Codes
- P0001Fuel Volume Regulator Control Circuit/Open
- P0002Fuel Volume Regulator Control Circuit Range/Performance
- P0003Fuel Volume Regulator Control Circuit Low
- P0004Fuel Volume Regulator Control Circuit High
- P0010Intake Camshaft Position Actuator Circuit/Open Bank 1
- P0011Intake Camshaft Position Timing Over-Advanced Bank 1
- P0012Intake Camshaft Position Timing Over-Retarded Bank 1
- P0013Exhaust Camshaft Position Actuator Circuit/Open Bank 1
- P0014Exhaust Camshaft Position Timing Over-Advanced Bank 1
- P0015Exhaust Camshaft Position Timing Over-Retarded Bank 1
P1388 on Other Vehicles
Common Questions
What does code P1388 mean on a 2004-2008 Chrysler Crossfire?
P1388 stands for "Auto Shutdown Relay Circuit". The PCM has detected a malfunction in the Auto Shutdown (ASD) relay circuit. The ASD relay provides power to the fuel injectors, ignition coils, oxygen sensor heaters, and other critical engine management components.
What are the symptoms of P1388 on a Chrysler Crossfire?
Common symptoms of P1388 include: Check Engine Light, Engine may not start, Engine stalls and will not restart, Intermittent no-start condition, Loss of injector and coil power.
What causes P1388 on a 2004-2008 Chrysler Crossfire?
Common causes of P1388 include: Faulty ASD relay, Wiring open or short in ASD relay circuit, Corroded ASD relay socket, PCM driver circuit failure, Blown ASD fuse.