No Response From Sentry Key Remote Entry Module (SKREEM/WCM)

Test 1 - 3:

Test 4:

SYMPTOM
NO RESPONSE FROM SENTRY KEY REMOTE ENTRY MODULE

POSSIBLE CAUSES
- Check powers and grounds to the sentry key remote entry module
- K-SKREEM circuit shorted to ground
- K-SKREEM circuit shorted to voltage
- K-SKREEM circuit open
- Sentry key remote entry module