Category: Buick

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

P0036 Buick 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…

P0037 Buick 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 Buick 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 Buick Turbocharger Bypass Valve Control Circuit Range/Performance P0039 Buick Description Turbocharger/Supercharger Bypass Valve Control Circuit Range/Performance is the generic definition for the P0039 Buick; however your vehicle’s manufacturer may have a different definition and information for the P0039 Buick code. Buick Vehicle:Buick Regal – ?Buick Riviera – ?Buick LaCrosse – ?David Dunbar Buick –…

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

P0034 Buick Turbocharger / Supercharger Bypass Valve Control Circuit Low OBD Code: System: Subsystem:  P0034 Buick – (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: Buick Vehicle:Buick Regal…

P0030 Buick 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 Buick 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…

P0032 Buick 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…

P0025 Buick Camshaft Position B Timing Over-Retarded Bank 2 Possible causes – Dirty Oil– Variable Valve Timing (VVT) circuit is open or shorted– Oil Control Valve (OCV) circuit is open or shorted– Faulty variable valve timing (VVT)– Faulty oil control valve (OCV)– Damaged Engine Control Module (ECM) Tech description If the engine oil is clean…

P0026 Buick 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 Buick 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 Buick 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 Buick 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…

P0020 Buick Camshaft Position A Actuator Circuit Bank 2 Possible causes – Dirty Oil– Faulty variable valve timing (VVT)– Variable Valve Timing (VVT) circuit is open or shorted– Oil Control Valve (OCV) circuit is open or shorted– Faulty oil control valve (OCV)– Damaged Engine Control Module (ECM) Tech description If the engine oil is clean…

P0021 Buick 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 Buick 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…

P0023 Buick Camshaft Position B Actuator Circuit 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…

P0024 Buick Exhaust Valve Timing Control Performance Bank 2 Possible causes – Faulty exhaust valve timing control solenoid valve– Exhaust valve timing control solenoid valve harness is open or shorted– Exhaust valve timing control solenoid valve circuit poor electrical connection– Faulty Crankshaft Position Sensor (POS)– Faulty Camshaft Position Sensor Tech description Since the exhaust valve…