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OBD II Fault Code

  • OBD II P0590

OBD-II Code Cruise control will not operate is defined as a Cruise Control Multi-Function Input "B" Circuit Stuck

The Cruise Control System uses several input switches (i.e. Coast and Accelerate) If the engine computer (PCM) sees a signal from more than one switch at a time, code P0590 will set and the cruise control system will be disabled.

Cruise control will not operate Symptoms

  • Cruise control will not operate

Common Problems That Trigger the P0590 Code

  • Cruise control switch failure
  • Powertrain Control Module (PCM) failure
  • Wiring issue
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