OBD Guide

P1566

Speed Control Command Switch Out of Range Low

Severity
⚠️ Medium
Can you drive?
Yes, but get it checked soon
Approx. repair cost
$17–56 (est.)

Symptoms

  • Cruise control doesn't work
  • Check Engine light comes on
  • The cruise control system turns off spontaneously
  • Vehicle does not maintain set speed

Causes

  • Cruise control switch malfunction
  • Open or short circuit in switch circuit
  • Poor contact in cruise control system connectors
  • Problems with the steering column wiring harness
  • Cruise control module malfunction

How to Fix

  1. Check the cruise control switch for mechanical damage
  2. Check the continuity of the switch circuit
  3. Inspect and clean the contacts in the system connectors
  4. Check switch resistance to specifications
  5. If necessary, replace the cruise control switch

Related codes

Error P1566 by Vehicle Brand