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Home >> Chrysler >> 2003 >> 300M Pro-Am Edition >> Repair and Diagnosis >> Accessories & Equipment >> Gauges & Instrument Panels >> Body Diagnostic Procedures >> Diagnostic Information And Procedures >> Power Door Locks/RKE - Symptoms >> Symptom: *ALL DOORS FAILING TO LOCK AND UNLOCK FROM ANY SWITCH >> Possible Causes

Possible Causes

  1. OPEN CIRCUIT BREAKER #2
  2. OBSERVE THE DOOR LOCK SWITCH VOLTAGE STATUS WITH SWITCH IN THE LOCK POSITION
  3. FUSED B(+) OPEN CIRCUIT OPEN FROM PDC
  4. FUSED B(+) TO RELAY COIL CIRCUIT OPEN FROM PDC FUSE
  5. PASSENGER POWER DOOR LOCK SWITCH-SHORTED TO VOLTAGE
  6. RELAY GROUND CIRCUIT OPEN
  7. DOOR LOCK RELAY-OPEN/SHORTED COIL
  8. DOOR LOCK RELAY-SHORTED TERMINALS
  9. FUSED B+ CKT OPEN
  10. DOOR LOCK AND UNLOCK RELAYS GROUND OPEN
  11. PASSENGER DOOR SWITCH MUX CKT SHORTED TO VOLTAGE
  12. PASSENGER DOOR SW MUX CIRCUIT SHORTED TO GROUND
  13. DRIVER POWER DOOR LOCK SWITCH-SHORTED TO VOLTAGE
  14. LOCK OR UNLOCK RELAY OUTPUT CIRCUIT OPEN
  15. PASSENGER DOOR LOCK SWITCH SHORTED TO GROUND
  16. DRIVER DOOR SWITCH MUX CIRCUIT SHORTED TO GROUND
  17. DRIVER DOOR SWITCH MUX CKT SHORTED TO VOLTAGE
  18. DRIVER DOOR LOCK SWITCH SHORTED TO GROUND
  19. JUNCTION BLOCK-LOCK RELAY CONTROL CKT OPEN
  20. BODY CONTROL MODULE - LOCK RELAY CONTROL OPEN
  21. BODY CONTROL MODULE - CONTROL SHORT TO VOLTAGE
  22. BODY CONTROL MODULE - CONTROL SHORTED
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