Category: Chevrolet

P0239 Chevrolet Turbocharger/Supercharger Boost Sensor B Circuit Malfunction

P0239 Chevrolet Turbocharger/Supercharger Boost Sensor B Circuit Malfunction Possible causes – Boost pressure sensor harness is open or shorted– Boost pressure sensor circuit poor electrical connection– Faulty boost pressure sensor– Faulty Turbo/Super Charger– Engine over temperature– Ignition misfire exceeds the calibrated threshold– Faulty Knock sensor (KS) What about the obd code? This diagnostic trouble code…

P023A Chevrolet Charge Air Cooler Coolant Pump Control Circuit / Open

P023A Chevrolet Charge Air Cooler Coolant Pump Control Circuit / Open OBD Code: System: Subsystem:  P023A Chevrolet – (ASE)  Powertrain  Fuel and Air Metering Trouble Code Description: Charge Air Cooler Coolant Pump Control Circuit / Open Location: Analysis: Possible Causes:    Open Circuit   Tech description:

P0231 Chevrolet Fuel Pump Secondary Circuit Low

P0231 Chevrolet Fuel Pump Secondary Circuit Low Possible causes – Blown Fuel Pump fuse– Open Fuel Pump Monitor Circuit– Faulty Fuel Pump Relay– Damaged Engine Control Module (ECM) What about the obd code? The code will be set if a low voltage on the control circuit of the fuel pump relay is detected by the…

P0232 Chevrolet Fuel Pump Secondary Circuit High

P0232 Chevrolet Fuel Pump Secondary Circuit High Possible causes – Blown Fuel Pump fuse– Open Fuel Pump Monitor Circuit– Faulty Fuel Pump Relay– Damaged Engine Control Module (ECM) What about the obd code? The code will be set if a low voltage on the control circuit of the fuel pump relay is detected by the…

P0233 Chevrolet Throttle Position Sensor 2 Circuit Low

P0233 Chevrolet Throttle Position Sensor 2 Circuit Low Possible causes – Faulty Throttle position sensor– Throttle position sensor harness is open or shorted– Throttle position sensor poor electrical connection What about the obd code? An excessively low voltage from the Throttle Position Sensor (TPS) is sent to Engine Control Module (ECM). Symptoms – Engine Light…

P0234 Chevrolet Turbo/Super Charger Overboost Condition

P0234 Chevrolet Turbo/Super Charger Overboost Condition Possible causes – Faulty Charge Air Pressure Sensor– Faulty Wastegate Bypass Regulator Valve– Faulty Turbo/Super Charger Symptoms – Engine Light ON (or Service Engine Soon Warning Light) P0234 Chevrolet Description The boost pressure sensor responds to pressure changes in the intake manifold. This pressure is created by the turbocharger…

P0235 Chevrolet Turbo/Super Charger Boost Sensor A Circuit

P0235 Chevrolet Turbo/Super Charger Boost Sensor A Circuit Possible causes – Boost pressure sensor harness is open or shorted– Boost pressure sensor circuit poor electrical connection– Faulty boost pressure sensor– Faulty Turbo/Super Charger– Engine over temperature– Ignition misfire exceeds the calibrated threshold– Faulty Knock sensor (KS) What about the obd code? The ECM has determined…

P022C Chevrolet Charge Air Cooler Bypass Control A Circuit High

P022C Chevrolet Charge Air Cooler Bypass Control A Circuit High OBD Code: System: Subsystem:  P022C Chevrolet – (ASE)  Powertrain  Fuel and Air Metering Trouble Code Description: Charge Air Cooler Bypass Control A Circuit High Location: Analysis: Possible Causes:  Control A  End of Range – Circuit Higher Than Expected   Tech description:

P022D Chevrolet Charge Air Cooler Bypass Control B Circuit / Open

P022D Chevrolet Charge Air Cooler Bypass Control B Circuit / Open OBD Code: System: Subsystem:  P022D Chevrolet – (ASE)  Powertrain  Fuel and Air Metering Trouble Code Description: Charge Air Cooler Bypass Control B Circuit / Open Location: Analysis: Possible Causes:  Control B  Open Circuit   Tech description:

P022E Chevrolet Charge Air Cooler Bypass Control B Circuit Low

P022E Chevrolet Charge Air Cooler Bypass Control B Circuit Low OBD Code: System: Subsystem:  P022E Chevrolet – (ASE)  Powertrain  Fuel and Air Metering Trouble Code Description: Charge Air Cooler Bypass Control B Circuit Low Location: Analysis: Possible Causes:  Control B  End of Range – Circuit Lower Than Expected   Tech description:

P022F Chevrolet Charge Air Cooler Bypass Control B Circuit High

P022F Chevrolet Charge Air Cooler Bypass Control B Circuit High OBD Code: System: Subsystem:  P022F Chevrolet – (ASE)  Powertrain  Fuel and Air Metering Trouble Code Description: Charge Air Cooler Bypass Control B Circuit High Location: Analysis: Possible Causes:  Control B  End of Range – Circuit Higher Than Expected   Tech description:

P0230 Chevrolet Fuel Pump Primary Circuit

P0230 Chevrolet Fuel Pump Primary Circuit Possible causes – Blown Fuel Pump fuse– Open Fuel Pump Monitor Circuit– Faulty Fuel Pump Relay– Damaged ECM What about the obd code? The code will be set if an incorrect voltage on the control circuit of the fuel pump relay is detected by the ECM. Symptoms – Engine…

P022B Chevrolet Charge Air Cooler Bypass Control A Circuit Low

P022B Chevrolet Charge Air Cooler Bypass Control A Circuit Low OBD Code: System: Subsystem:  P022B Chevrolet – (ASE)  Powertrain  Fuel and Air Metering Trouble Code Description: Charge Air Cooler Bypass Control A Circuit Low Location: Analysis: Possible Causes:  Control A  End of Range – Circuit Lower Than Expected   Tech description:

P0227 Chevrolet Throttle Pedal Position Sensor/Switch C Circuit Low

P0227 Chevrolet Throttle Pedal Position Sensor/Switch C Circuit Low Possible causes – Faulty Throttle Position Sensor (TPS)– Throttle Position Sensor (TPS) harness is open or shorted– Throttle Position Sensor (TPS) circuit poor electrical connection What about the obd code? An excessively low voltage from the Throttle Position Sensor (TPS) is sent to Engine Control Module…

P0228 Chevrolet Throttle Pedal Position Sensor/Switch C Circuit High

P0228 Chevrolet Throttle Pedal Position Sensor/Switch C Circuit High Possible causes – Faulty Throttle Position Sensor (TPS)– Throttle Position Sensor (TPS) harness is open or shorted– Throttle Position Sensor (TPS) circuit poor electrical connection What about the obd code? An excessively high voltage from the Throttle Position Sensor (TPS) is sent to Engine Control Module…

P0229 Chevrolet Throttle/Petal Position Sensor/Switch C Circuit Intermittent

P0229 Chevrolet Throttle/Petal Position Sensor/Switch C Circuit Intermittent Possible causes – Faulty Throttle Position Sensor (TPS)– Throttle Position Sensor (TPS) harness is open or shorted– Throttle Position Sensor (TPS) circuit poor electrical connection What about the obd code? An Intermittent voltage from the Throttle Position Sensor (TPS) is sent to Engine Control Module (ECM). Symptoms…

P022A Chevrolet Charge Air Cooler Bypass Control A Circuit / Open

P022A Chevrolet Charge Air Cooler Bypass Control A Circuit / Open OBD Code: System: Subsystem:  P022A Chevrolet – (ASE)  Powertrain  Fuel and Air Metering Trouble Code Description: Charge Air Cooler Bypass Control A Circuit / Open Location: Analysis: Possible Causes:  Control A  Open Circuit   Tech description:

P0221 Chevrolet Throttle Valve Potentiometer 2 Plausibility To Air Mass

P0221 Chevrolet Throttle Valve Potentiometer 2 Plausibility To Air Mass Possible causes – Throttle Position Sensor (TPS) harness is open or shorted– Throttle Position Sensor (TPS) circuit poor electrical connection– Faulty Throttle Position Sensor (TPS)– Fault Electric Throttle Control Actuator (or Throttle Body Motor)– Accelerator Pedal Position Sensor (APP) What about the obd code? An…

P0222 Chevrolet Throttle Pedal Position Sensor/Switch B Circuit Low

P0222 Chevrolet Throttle Pedal Position Sensor/Switch B Circuit Low Possible causes – Faulty Throttle position sensor– Throttle position sensor harness is open or shorted– Throttle position sensor poor electrical connection What about the obd code? An excessively low voltage from the Throttle Position Sensor (TPS) is sent to Engine Control Module (ECM). Symptoms – Engine…