No Response From Transmission Control Module - Body Control System

Test 1 - 2:

Test 3 - 4:

SYMPTOM
NO RESPONSE FROM TCM

TEST NOTE
This symptom is diagnosed using the test EATX PRNDL MESSAGE TEST FAILED.

POSSIBLE CAUSES
- No response TCM BUS (+) CKT open
- No response TCM BUS(-) CKT open
- No response BCM/TCM BUS (-) open
- No response BCM/TCM BUS(+) open
- No response TCM default