Cadillac Dts P1121 Engine Trouble Code
Cadillac Dts P1121 if your catalytic convertor fails completely, you eventually won't be able to keep the car running. Your gas mileage will also be terrible, so you should try and fix it as soon as you can. Unfortunately, the average replacement cost is around $2,000 and you can't do it yourself unless you're an experienced mechanic.
Cadillac Dts P1121 Code Meaning :
OBD-II Diagnostic Powertrain (P) Trouble Code For Engine
Fuel And Air Metering
Engine Oil Temperature Sensor Malfunction
Cylinder 10 Contribution/balance Fault
Exhaust Gas Recirculation Sensor B Circuit High

When you check Cadillac Dts car engine light came on code P1121 the reason should be Engine Light ON (or Service Engine Soon Warning Light). However manufacturer may have a different definition for the P1121 OBD-II Diagnostic Powertrain (P) Trouble Code. So you should chech it on our car models.
P1121 OBD-II Diagnostic Powertrain (P) Trouble Code Description
P1121 OBD-II Trouble Code Electric Throttle Control Actuator is one of the definitions for the P1121; however your vehicles manufacturer may have a different definition for the P1121 code. Please check below for your specific P1121 code.Reason For P1121 Code
The reason of P1121 OBD-II Engine Trouble Code is Engine Oil Temperature Sensor Malfunction.P1121 code on vehicles with electronically controlled automatic transmissions, the 3-4 shift solenoid is responsible for actuating the hydraulic circuits to activate clutches or bands that change gears inside the automatic transmission.
P1120 Previous Engine Trouble Code For Cadillac Dts | Next Engine Trouble Code For Cadillac Dts P1122 |