LEMON Manuals
: Even more car manuals for everyone: 1960-2025
Home
>>
Cadillac
>>
1999
>>
DeVille Base
>>
Repair and Diagnosis
>>
Accessories & Equipment
>>
Memory Modules
>>
Memory System
>>
Memory Seat Module (MSM) Diagnostic Tests
>>
DTC B2112: Lumbar Up Switch Failed (Am3)
>>
Notes
April 5, 2026:
LEMON Manuals is launched!
Read the announcement.
DTC B2112: Lumbar Up Switch Failed (Am3): Notes
NOTE:
AM3 identifies vehicle as being equipped with 2-way power lumbar seats. DTCs will only set if B1982 or B1983 are not set as current in Memory Seat Module (MSM).