P3497 Cadillac Multiple Displacement System Rationality Bank 2
Possible causes
– Low oil pressure
– Restricted oil passage
– Engine mechanical condition
– Multiple Displacement System (MDS) Solenoid fault
– Restricted oil passage
– Engine mechanical condition
– Multiple Displacement System (MDS) Solenoid fault
Tech description
Although in some cases changing the engine oil may fix the problem, usually the Multi Displacement System Solenoid may need to replaced.
What about the obd code?
The Engine Control Module (ECM) has detected a lean condition on bank 2 while in the 4 cylinder mode
Symptoms
– Engine Light ON (or Service Engine Soon Warning Light)
P3497 Cadillac Description
The Multi-Displacement System (MDS) deactivates four of the V8’s cylinders when the throttle is closed or at steady speeds.
Cadillac Vehicle:Cadillac CTS Coupe, Cadillac CTS-V Coupe , Cadillac Eldorado , Cadillac Escalade EXT , Cadillac ATS , Cadillac CTS , Cadillac CTS Sedan , Cadillac CTS Sport Sedan , Cadillac CTS-V , Cadillac CTS-V Sedan , Cadillac Catera , Cadillac DTS , Cadillac DeVille , Cadillac STS-V , Cadillac STS , Cadillac Seville , Cadillac XTS , Cadillac XLR , Cadillac XLR Platinum , Cadillac Escalade , Cadillac SRX