MHSMM Messages Not Received

Test 1 - 2:

Test 3 - 6:

SYMPTOM
MHSMM MESSAGES NOT RECEIVED.

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

WHEN MONITORED
Ignition ON.

SET CONDITION
This code is set if the BCM does not receive any PCI bus messages from the MHSMM for at least 18 seconds.

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