P0057 Cadillac HO2S22 Heater Control Circuit Low Possible causes – Faulty Heated Oxygen Sensor (H2OS) Bank 2 Sensor 2– Heated Oxygen Sensor (H2OS) Bank 2 Sensor 2 harness is open shorted– Heated Oxygen Sensor (H2OS) Bank 2 Sensor 2 circuit poor electrical connection– Heated Oxygen Sensor (H2OS) Bank 2 Sensor 2 circuit fuse– Faulty Engine…
Category: Cadillac
P0052 Cadillac HO2S Heater Control Circuit High Bank 2 Sensor 1
P0052 Cadillac HO2S Heater Control Circuit High Bank 2 Sensor 1 Possible causes – Heated Oxygen Sensor (H2OS) Bank 2 Sensor 1 harness is open shorted to ground– Heated Oxygen Sensor (H2OS) Bank 2 Sensor 1 circuit poor electrical connection– Faulty Heated Oxygen Sensor (H2OS) Bank 2 Sensor 1– Heated Oxygen Sensor (H2OS) Bank 2…
P0053 Cadillac HO2S Heater Resistance Bank 1 Sensor 1
P0053 Cadillac HO2S Heater Resistance Bank 1 Sensor 1 Possible causes – Faulty Heated Oxygen Sensor Bank 1 Sensor 1– Heated Oxygen Sensor Bank 1 Sensor 1 harness is open or shorted– Heated Oxygen Sensor Bank 1 Sensor 1 circuit poor electrical connection Symptoms – Engine Light ON (or Service Engine Soon Warning Light) P0053…
P0054 Cadillac HO2S Heater Resistance Bank 1 Sensor 2
P0054 Cadillac HO2S Heater Resistance Bank 1 Sensor 2 Possible causes – Faulty Heated Oxygen Sensor Bank 1 Sensor 2– Heated Oxygen Sensor Bank 1 Sensor 2 harness is open or shorted– Heated Oxygen Sensor Bank 1 Sensor 2 circuit poor electrical connection Symptoms – Engine Light ON (or Service Engine Soon Warning Light) P0054…
P0055 Cadillac HO2S Heater Resistance Bank 1 Sensor 3
P0055 Cadillac HO2S Heater Resistance Bank 1 Sensor 3 Possible causes – Faulty Heated Oxygen Sensor Bank 1 Sensor 3– Heated Oxygen Sensor Bank 1 Sensor 3 harness is open or shorted– Heated Oxygen Sensor Bank 1 Sensor 3 circuit poor electrical connection What about the obd code? Heater current requirements too low or high…
P0056 Cadillac HO2S Heater Control Circuit Bank 2 Sensor 2
P0056 Cadillac HO2S Heater Control Circuit Bank 2 Sensor 2 Possible causes – Faulty Heated Oxygen Sensor (H2OS) Bank 2 Sensor 2– Heated Oxygen Sensor (H2OS) Bank 2 Sensor 2 harness is open shorted– Heated Oxygen Sensor (H2OS) Bank 2 Sensor 2 circuit poor electrical connection– Heated Oxygen Sensor (H2OS) Bank 2 Sensor 2 circuit…
P004C Cadillac Turbocharger / Supercharger Boost Control (Solenoid B) Circuit Low
P004C Cadillac Turbocharger / Supercharger Boost Control (Solenoid B) Circuit Low OBD Code: System: Subsystem: P004C Cadillac – (ASE) Powertrain Fuel & Air metering, Auxiliary emission controls Trouble Code Description: Turbocharger / Supercharger Boost Control (Solenoid B) Circuit Low Location: Analysis: Possible Causes: Solenoid B End of Range – Circuit Lower Than Expected Tech description:…
P004D Cadillac Turbocharger / Supercharger Boost Control (Solenoid B) Circuit High
P004D Cadillac Turbocharger / Supercharger Boost Control (Solenoid B) Circuit High OBD Code: System: Subsystem: P004D Cadillac – (ASE) Powertrain Fuel & Air metering, Auxiliary emission controls Trouble Code Description: Turbocharger / Supercharger Boost Control (Solenoid B) Circuit High Location: Analysis: Possible Causes: Solenoid B End of Range – Circuit Higher Than Expected Tech description:…
P004E Cadillac Turbocharger / Supercharger Boost Control (Solenoid A) Circuit Intermittent / Erratic
P004E Cadillac Turbocharger / Supercharger Boost Control (Solenoid A) Circuit Intermittent / Erratic OBD Code: System: Subsystem: P004E Cadillac – (ASE) Powertrain Fuel & Air metering, Auxiliary emission controls Trouble Code Description: Turbocharger / Supercharger Boost Control (Solenoid A) Circuit Intermittent / Erratic Location: Analysis: Possible Causes: Solenoid A Periodically Unstable Circuit Tech description: Cadillac…
P004F Cadillac Turbocharger / Supercharger Boost Control (Solenoid B) Circuit Intermittent / Erratic
P004F Cadillac Turbocharger / Supercharger Boost Control (Solenoid B) Circuit Intermittent / Erratic OBD Code: System: Subsystem: P004F Cadillac – (ASE) Powertrain Fuel & Air metering, Auxiliary emission controls Trouble Code Description: Turbocharger / Supercharger Boost Control (Solenoid B) Circuit Intermittent / Erratic Location: Analysis: Possible Causes: Solenoid B Periodically Unstable Circuit Tech description: Cadillac…
P0050 Cadillac HO2S Heater Control Circuit Bank 2 Sensor 1
P0050 Cadillac HO2S Heater Control Circuit Bank 2 Sensor 1 Possible causes – Faulty Heated Oxygen Sensor (H2OS) Bank 2 Sensor 1– Heated Oxygen Sensor (H2OS) Bank 2 Sensor 1 harness is open shorted– Heated Oxygen Sensor (H2OS) Bank 2 Sensor 1 circuit poor electrical connection– Heated Oxygen Sensor (H2OS) Bank 2 Sensor 1 fuse–…
P0051 Cadillac HO2S Heater Control Circuit Low Bank 2 Sensor 1
P0051 Cadillac HO2S Heater Control Circuit Low Bank 2 Sensor 1 Possible causes – Faulty Heated Oxygen Sensor (H2OS) Bank 2 Sensor 1– Heated Oxygen Sensor (H2OS) Bank 2 Sensor 1 harness is open shorted– Heated Oxygen Sensor (H2OS) Bank 2 Sensor 1 circuit poor electrical connection– Heated Oxygen Sensor (H2OS) Bank 2 Sensor 1…
P0048 Cadillac Turbocharger/Supercharger Boost Control A Circuit High
P0048 Cadillac Turbocharger/Supercharger Boost Control A Circuit High Symptoms – Engine Light ON (or Service Engine Soon Warning Light) P0048 Cadillac Description Turbocharger/Supercharger Boost Control ‘A’ Circuit High is the generic definition for the P0048 Cadillac. Cadillac Vehicle:Cadillac CTS Coupe, Cadillac CTS-V Coupe , Cadillac Eldorado , Cadillac Escalade EXT , Cadillac ATS , Cadillac…
P0049 Cadillac Turbocharger/Supercharger Turbine Overspeed
P0049 Cadillac Turbocharger/Supercharger Turbine Overspeed Symptoms – Engine Light ON (or Service Engine Soon Warning Light) P0049 Cadillac Description Turbocharger/Supercharger Turbine Overspeed is the generic definition for the P0049 Cadillac. Cadillac Vehicle:Cadillac CTS Coupe, Cadillac CTS-V Coupe , Cadillac Eldorado , Cadillac Escalade EXT , Cadillac ATS , Cadillac CTS , Cadillac CTS Sedan ,…
P004A Cadillac Turbocharger / Supercharger Boost Control (Solenoid B) Circuit / Open
P004A Cadillac Turbocharger / Supercharger Boost Control (Solenoid B) Circuit / Open OBD Code: System: Subsystem: P004A Cadillac – (ASE) Powertrain Fuel & Air metering, Auxiliary emission controls Trouble Code Description: Turbocharger / Supercharger Boost Control (Solenoid B) Circuit / Open Location: Analysis: Possible Causes: Solenoid B Open Circuit Tech description: Cadillac Vehicle:Cadillac CTS Coupe,…
P004B Cadillac Turbocharger / Supercharger Boost Control (Solenoid B) Circuit
P004B Cadillac Turbocharger / Supercharger Boost Control (Solenoid B) Circuit OBD Code: System: Subsystem: P004B Cadillac – (ASE) Powertrain Fuel & Air metering, Auxiliary emission controls Trouble Code Description: Turbocharger / Supercharger Boost Control (Solenoid B) Circuit Location: Analysis: Possible Causes: Solenoid B Circuit Issue Tech description: Cadillac Vehicle:Cadillac CTS Coupe, Cadillac CTS-V Coupe ,…
P0047 Cadillac Turbocharger/Supercharger Boost Control A Circuit Low
P0047 Cadillac Turbocharger/Supercharger Boost Control A Circuit Low Symptoms – Engine Light ON (or Service Engine Soon Warning Light) P0047 Cadillac Description Turbocharger/Supercharger Boost Control ‘A’ Circuit Low is the generic definition for the P0047 Cadillac. Cadillac Vehicle:Cadillac CTS Coupe, Cadillac CTS-V Coupe , Cadillac Eldorado , Cadillac Escalade EXT , Cadillac ATS , Cadillac…
P0042 Cadillac HO2S Heater Control Circuit Bank 1 Sensor 3
P0042 Cadillac HO2S Heater Control Circuit Bank 1 Sensor 3 Possible causes – Faulty Heated Oxygen Sensor (H2OS) Bank 1 Sensor 3– Heated Oxygen Sensor (H2OS) Bank 1 Sensor 3 is open shorted to ground– Heated Oxygen Sensor (H2OS) Bank 1 Sensor 3 poor electrical connection– Heated Oxygen Sensor (H2OS) Bank 1 Sensor 3 fuse–…
P0043 Cadillac HO2S Heater Control Circuit Low Bank 1 Sensor 3
P0043 Cadillac HO2S Heater Control Circuit Low Bank 1 Sensor 3 Possible causes – Faulty Heated Oxygen Sensor (H2OS) Bank 1 Sensor 3– Heated Oxygen Sensor (H2OS) Bank 1 Sensor 3 harness is open shorted– Heated Oxygen Sensor (H2OS) Bank 1 Sensor 3 circuit poor electrical connection– Heated Oxygen Sensor (H2OS) Bank 1 Sensor 3…
P0044 Cadillac HO2S Heater Control Circuit High Bank 1 Sensor 3
P0044 Cadillac HO2S Heater Control Circuit High Bank 1 Sensor 3 Possible causes – Faulty Heated Oxygen Sensor (H2OS) Bank 1 Sensor 3– Heated Oxygen Sensor (H2OS) Bank 1 Sensor 3 harness is open shorted– Heated Oxygen Sensor (H2OS) Bank 1 Sensor 3 circuit poor electrical connection– Heated Oxygen Sensor (H2OS) Bank 1 Sensor 3…