OBD Guide

P2772

Four Wheel Drive (4WD) Low Switch Circuit Range/Performance

Severity
⚠️ Medium
Can you drive?
Yes, but get it checked soon
Approx. repair cost
$17–89 (est.)

Symptoms

  • Check Engine Light Is On
  • Downshift mode (4WD Low) does not work
  • The all-wheel drive system goes into emergency mode
  • Possible problems with switching all-wheel drive modes
  • The 4WD indicator may flash on the dashboard

Causes

  • Faulty 4WD Low switch
  • Open or short circuit in switch circuit
  • Poor contact in connectors
  • Contact corrosion
  • Problems with the four-wheel drive control unit

How to Fix

  1. Check the status of the 4WD Low switch
  2. Check the integrity of wiring and connectors
  3. Clean contacts from corrosion
  4. Check voltage in switch circuit
  5. If necessary, replace the switch or repair the wiring

Related codes

Error P2772 by Vehicle Brand