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Home >> Jeep >> 2004 >> Wrangler Sport, Standard >> Repair and Diagnosis >> Engine Performance >> System >> Powertrain Diagnostic Procedures >> DRIVEABILITY - Gas >> DTC P1388: Auto Shutdown Relay Control Circuit >> Possible Causes
July 1: So it begins. Don't worry, this is not in the correct legal jurisdiction!

Possible Causes

  1. GOOD TRIP EQUAL TO ZERO
  2. ASD RELAY
  3. (F15) FUSED IGNITION SWITCH OUTPUT CIRCUIT
  4. (K51) ASD RELAY CONTROL CIRCUIT OPEN
  5. (K51) ASD RELAY CONTROL CIRCUIT SHORTED TO GROUND
  6. PCM
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