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1998 DODGE DAKOTA
3.9L V6 Magnum•4WD•AUTOMATIC•gas
12 active safety recalls on this vehicle — view recalls
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Repairs0Labor507Torque686Fluid10DTC1650Battery1Maintenance0Recalls12
P0590low severityPowertrain

Cruise Control Multi-Function Input B Circuit Stuck

on 1998 Dodge Dakota 3.9L V6 Magnum · 4WD

What this code means

The PCM detected the cruise control multi-function input B signal stuck in one state. A jammed switch or shorted circuit is likely the cause.

Symptoms

  • Cruise control won't respond
  • Stuck cruise functions
  • Warning light on

Common causes

  • Stuck cruise control switch
  • Shorted switch circuit
  • Damaged wiring or connector
  • Failed control module

Diagnostic steps

  1. Read codes and freeze-frame data
  2. Monitor cruise switch input signal
  3. Inspect switch and wiring for shorts
  4. Replace stuck switch or repair circuit
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