Category: Chevrolet

P0041 Chevrolet 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…

P0042 Chevrolet 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 Chevrolet 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 Chevrolet 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…

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

P0036 Chevrolet 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 Chevrolet 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 Chevrolet 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 Chevrolet Turbocharger Bypass Valve Control Circuit Range/Performance P0039 Chevrolet Description Turbocharger/Supercharger Bypass Valve Control Circuit Range/Performance is the generic definition for the P0039 Chevrolet; however your vehicle’s manufacturer may have a different definition and information for the P0039 Chevrolet code.

P0034 Chevrolet Turbocharger / Supercharger Bypass Valve Control Circuit Low OBD Code: System: Subsystem:  P0034 Chevrolet – (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:

P0030 Chevrolet 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 Chevrolet 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 Chevrolet 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 Chevrolet Turbocharger Bypass Valve Control Circuit Symptoms – Engine Light ON (or Service Engine Soon Warning Light) P0033 Chevrolet Description Turbocharger/Supercharger Bypass Valve Control Circuit is the generic definition for the P0033 Chevrolet; however your vehicle’s manufacturer may have a different definition and information for the P0033 Chevrolet code. P0033 Chevrolet Information for specific…

P0024 Chevrolet 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…

P0025 Chevrolet 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 Chevrolet 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 Chevrolet 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 Chevrolet 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 Chevrolet 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…