C0450

Steering Assist Control Solenoid Valve Circuit Malfunction

DTC C0450, sometimes indicated as C045000 is an OBD diagnostic trouble code indicating a generic fault with the vehicle chassis.

  • C0450 00: Steering Assist Control Solenoid Valve Circuit Malfunction
  • C0450 04: Steering Assist Control Solenoid Valve Circuit Open
  • C0450 08: Steering Assist Control Solenoid Valve Circuit Performance - Signal Invalid
  • C0450 0B: Steering Assist Control Solenoid Valve Circuit High Current

DTC Trouble Code Search
Bulletins

Bulletins are notices put out by manufacturers in conjunction with the NHTSA to notify the public of manufacturing issues or changes.

  • PIC5058B - STEERING:ELECTRIC POWER ASSIST SYSTEM
    CADILLAC: Gm: service power steering message possible dtc C0450. *js
  • PIC-5058 - STEERING:HYDRAULIC POWER ASSIST SYSTEM
    CADILLAC: General motor: service power steering-C0450 (insp harness near cylinder head). The cause may be engine wire harness is chafing on the right cylinder head. *pe updated 11/04/09. *pe updated on 5/1/12. *js
  • 030236001 - STEERING
    CADILLAC: Service steering system message on, diagnostic trouble code (dtc) C0450 or C1241 set. *tt
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