P0589

Cruise Control Multi-Function Input B Circuit

Severity

⚠️ Medium

Can you drive?

Limited driving only, diagnose soon

Approx. repair cost

$56–167 (est.)

Symptoms

Cruise control not working
Incorrect operation of cruise control
Check Engine Light Illuminates

Causes

Broken or damaged wiring harness
Short circuit in the circuit
Cruise control switch malfunction
Poor contact in connectors
Engine control unit (ECU) malfunction

How to Fix

Check wiring harness for damage
Check continuity with a multimeter
Inspect connectors and contacts for oxidation or damage
Check the cruise control switch
Replace damaged components if necessary
Reset the error and check the system operation

Related codes

P0571 P0572 P0573