Bus (+/-) Signals Open From Memory Heated Seat/Mirror Module

Test 1 - 2:

Test 3 - 6:

SYMPTOM
BUS +/- SIGNAL OPEN FROM MEMORY HEATED SEAT/MIRROR MODULE

TEST NOTE
This symptom is diagnosed using the test MHSMM MESSAGES NOT RECEIVED.

POSSIBLE CAUSES
- Fused B(+) CKT open
- Ground circuit open
- Open PCI bus wire
- Body control module
- Memory heated Seat/Mirror Module