Error Code C-d1

Door locking information - Door lock malfunction

What This Means

Disconnected door lock harness; Faulty door lock motor; Broken lock switch; Control board issue

How to Fix

1. 1

   Disconnect power and open back cover

2. 2

   Check harness connection to door lock switch and motor

3. 3

   Measure door lock motor resistance (normal 1.75-1.95 kOhm)

4. 4

   With door lock activated, measure voltage at connector (normal AC 120V)

5. 5

   Test door lock switch functionality

6. 6

   Replace lock motor or switch if faulty