Category: Cadillac

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…

P0045 Cadillac Turbocharger Boost Control Solenoid Control Circuit Possible causes – Faulty turbocharger nozzle control actuator– Turbocharger boost control solenoid control harness is open or shorted– Turbocharger boost control solenoid control circuit poor electrical connection– Charging system malfunction Symptoms – Engine Light ON (or Service Engine Soon Warning Light) Cadillac Vehicle:Cadillac CTS Coupe, Cadillac CTS-V…

P0037 Cadillac HO2S Heater Control Circuit Low Bank 1 Sensor 2 Possible causes – Faulty Heated Oxygen Sensor (H2OS) Bank 1 Sensor 2– Heated Oxygen Sensor (H2OS) Bank 1 Sensor 2 fuse– Heated Oxygen Sensor (H2OS) Bank 1 Sensor 2 harness is open or shorted– Heated Oxygen Sensor (H2OS) Bank 1 Sensor 2 circuit poor…

P0038 Cadillac HO2S Heater Control Circuit High Bank 1 Sensor 2 Possible causes – Faulty Heated Oxygen Sensor (H2OS) Bank 1 Sensor 2– Heated Oxygen Sensor (H2OS) Bank 1 Sensor 2 fuse– Heated Oxygen Sensor (H2OS) Bank 1 Sensor 2 harness is open or shorted– Heated Oxygen Sensor (H2OS) Bank 1 Sensor 2 circuit poor…

P0039 Cadillac Turbocharger Bypass Valve Control Circuit Range/Performance P0039 Cadillac Description Turbocharger/Supercharger Bypass Valve Control Circuit Range/Performance is the generic definition for the P0039 Cadillac; however your vehicle’s manufacturer may have a different definition and information for the P0039 Cadillac code. Cadillac Vehicle:Cadillac CTS Coupe, Cadillac CTS-V Coupe , Cadillac Eldorado , Cadillac Escalade EXT…

P0040 Cadillac 1/1 And 2/1 O2 Sensor Harness Connectors Reversed Possible causes – 1/1 And 2/1 O2 sensors harness is open or shorted– 1/1 And 2/1 O2 sensors circuit connectors (wrong connection)– Faulty Powertrain Control Module (PCM) Symptoms – Engine Light ON (or Service Engine Soon Warning Light) P0040 Cadillac Description At ignition on the…

P0041 Cadillac HO2S Bank 1 and 2 Sensor 2 Signal Wires Swapped Possible causes – HO2S Bank 1 and 2 Sensor 2 harness is open or shorted– HO2S Bank 1 and 2 Sensor 2 circuit connectors (wrong connection)– Faulty Engine Control Module (ECM) Symptoms – Engine Light ON (or Service Engine Soon Warning Light) P0041…

P0032 Cadillac HO2S Heater Control Circuit High Bank 1 Sensor 1 Possible causes – Faulty Heated Oxygen Sensor (H2OS) Bank 1 Sensor 1– Heated Oxygen Sensor (H2OS) Bank 1 Sensor 1 harness is open shorted to ground– Heated Oxygen Sensor (H2OS) Bank 1 Sensor 1 circuit poor electrical connection– Heated Oxygen Sensor (H2OS) Bank 1…

P0033 Cadillac Turbocharger Bypass Valve Control Circuit Symptoms – Engine Light ON (or Service Engine Soon Warning Light) P0033 Cadillac Description Turbocharger/Supercharger Bypass Valve Control Circuit is the generic definition for the P0033 Cadillac; however your vehicle’s manufacturer may have a different definition and information for the P0033 Cadillac code. P0033 Cadillac Information for specific…

P0034 Cadillac Turbocharger / Supercharger Bypass Valve Control Circuit Low OBD Code: System: Subsystem:  P0034 Cadillac – (ASE)  Powertrain  Fuel & Air metering, Auxiliary emission controls Trouble Code Description: Turbocharger / Supercharger Bypass Valve Control Circuit Low Location: Analysis: Possible Causes:    End of Range – Circuit Lower Than Expected   Tech description: Cadillac Vehicle:Cadillac CTS…

P0035 Cadillac Turbocharger Bypass Valve Control Circuit High Symptoms – Engine Light ON (or Service Engine Soon Warning Light) P0035 Cadillac Description Turbocharger/Supercharger Bypass Valve Control Circuit High is the generic definition for the P0035 Cadillac; however your vehicle’s manufacturer may have a different definition and information for the P0035 Cadillac code. P0035 Cadillac Information…

P0036 Cadillac HO2S Heater Control Circuit Bank 1 Sensor 2 Possible causes – Faulty Heated Oxygen Sensor (H2OS) Bank 1 Sensor 2– Heated Oxygen Sensor (H2OS) Bank 1 Sensor 2 fuse– Heated Oxygen Sensor (H2OS) Bank 1 Sensor 2 harness is open or shorted– Heated Oxygen Sensor (H2OS) Bank 1 Sensor 2 circuit poor electrical…

P0030 Cadillac HO2S Heater Control Circuit Bank 1 Sensor 1 Possible causes – Faulty Heated Oxygen Sensor (H2OS) Bank 1 Sensor 1 circuit– Heated Oxygen Sensor (H2OS) Bank 1 Sensor 1 circuit fuse– Heated Oxygen Sensor (H2OS) Bank 1 Sensor 1 circuit open shorted to ground– Heated Oxygen Sensor (H2OS) Bank 1 Sensor 1 circuit…

P0031 Cadillac HO2S Heater Control Circuit Low Bank 1 Sensor 1 Possible causes – Faulty Heated Oxygen Sensor (H2OS) Bank 1 Sensor 1– Heated Oxygen Sensor (H2OS) Bank 1 Sensor 1 harness is open shorted to ground– Heated Oxygen Sensor (H2OS) Bank 1 Sensor 1 circuit poor electrical connection– Heated Oxygen Sensor (H2OS) Bank 1…

P0026 Cadillac Intake Valve Control Solenoid Circuit Range/Performance Bank 1 Possible causes – Dirty engine oil– Low engine oil level– Faulty intake valve control solenoid– Intake valve control solenoid harness is open or shorted– Intake valve control solenoid circuit poor electrical connection What about the obd code? ECM monitors OCV stuck while cam signal is…

P0027 Cadillac Exhaust Valve Control Solenoid Circuit Range/Performance Bank 1 Possible causes – Dirty engine oil– Low engine oil level– Faulty exhaust valve control solenoid– Exhaust valve control solenoid harness is open or shorted– Exhaust valve control solenoid circuit poor electrical connection What about the obd code? ECM monitors OCV stuck while cam signal is…

P0028 Cadillac Intake Valve Control Solenoid Circuit Range/Performance Bank 2 Possible causes – Dirty engine oil– Low engine oil level– Faulty intake valve control solenoid– Intake valve control solenoid harness is open or shorted– Intake valve control solenoid circuit poor electrical connection What about the obd code? ECM monitors OCV stuck while cam signal is…

P0029 Cadillac Exhaust Valve Control Solenoid Circuit Range/Performance Bank 2 Possible causes – Dirty engine oil– Low engine oil level– Faulty exhaust valve control solenoid– Exhaust valve control solenoid harness is open or shorted– Exhaust valve control solenoid circuit poor electrical connection What about the obd code? ECM monitors OCV stuck while cam signal is…

P0021 Cadillac Intake Valve Timing Control Performance Bank 2 Possible causes – Faulty Intake Valve Timing Control Solenoid Valve– Intake Valve Timing Control Solenoid Valve harness is open or shorted– Intake Valve Timing Control Solenoid Valve circuit poor electrical connection– Faulty Camshaft Position Sensor– Camshaft Position Sensor harness is open or shorted– Camshaft Position Sensor…

P0022 Cadillac Camshaft Position A Timing Over-Retarded Bank 2 Possible causes – Dirty Oil– Faulty variable valve timing (VVT)– Faulty oil control valve (OCV)– Variable Valve Timing (VVT) harness is open or shorted– Oil Control Valve (OCV) circuit is open or shorted– Damaged Engine Control Module (ECM) Tech description If the engine oil is clean…