P023A Buick Charge Air Cooler Coolant Pump Control Circuit / Open OBD Code: System: Subsystem: P023A Buick – (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: Buick Vehicle:Buick Regal – ?Buick Riviera – ?Buick LaCrosse –…
Category: Buick
P0232 Buick Fuel Pump Secondary Circuit High
P0233 Buick 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…
P0233 Buick Throttle Position Sensor 2 Circuit Low
P0234 Buick 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 Buick Description The boost pressure sensor responds to pressure changes in the intake manifold. This pressure is created by the turbocharger…
P0234 Buick Turbo/Super Charger Overboost Condition
P0235 Buick 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…
P0230 Buick Fuel Pump Primary Circuit
P0231 Buick 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…
P0231 Buick Fuel Pump Secondary Circuit Low
P0232 Buick 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…
P022B Buick Charge Air Cooler Bypass Control A Circuit Low
P022C Buick Charge Air Cooler Bypass Control A Circuit High OBD Code: System: Subsystem: P022C Buick – (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: Buick Vehicle:Buick Regal – ?Buick…
P022C Buick Charge Air Cooler Bypass Control A Circuit High
P022D Buick Charge Air Cooler Bypass Control B Circuit / Open OBD Code: System: Subsystem: P022D Buick – (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: Buick Vehicle:Buick Regal – ?Buick Riviera – ?Buick LaCrosse…
P022D Buick Charge Air Cooler Bypass Control B Circuit / Open
P022E Buick Charge Air Cooler Bypass Control B Circuit Low OBD Code: System: Subsystem: P022E Buick – (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: Buick Vehicle:Buick Regal – ?Buick…
P022E Buick Charge Air Cooler Bypass Control B Circuit Low
P022F Buick Charge Air Cooler Bypass Control B Circuit High OBD Code: System: Subsystem: P022F Buick – (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: Buick Vehicle:Buick Regal – ?Buick…
P022F Buick Charge Air Cooler Bypass Control B Circuit High
P0230 Buick 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…
P0226 Buick Throttle Pedal Position Sensor/Switch C Circuit
P0227 Buick 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…
P0227 Buick Throttle Pedal Position Sensor/Switch C Circuit Low
P0228 Buick 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…
P0228 Buick Throttle Pedal Position Sensor/Switch C Circuit High
P0229 Buick 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…
P0229 Buick Throttle/Petal Position Sensor/Switch C Circuit Intermittent
P022A Buick Charge Air Cooler Bypass Control A Circuit / Open OBD Code: System: Subsystem: P022A Buick – (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: Buick Vehicle:Buick Regal – ?Buick Riviera – ?Buick LaCrosse…
P022A Buick Charge Air Cooler Bypass Control A Circuit / Open
P022B Buick Charge Air Cooler Bypass Control A Circuit Low OBD Code: System: Subsystem: P022B Buick – (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: Buick Vehicle:Buick Regal – ?Buick…
P0222 Buick Throttle Pedal Position Sensor/Switch B Circuit Low
P0223 Buick Throttle Pedal Position Sensor/Switch B Circuit High 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 high voltage from the Throttle Position Sensor (TPS) is sent to Engine Control Module (ECM). Symptoms – Engine…
P0223 Buick Throttle Pedal Position Sensor/Switch B Circuit High
P0224 Buick Throttle/Petal Position Sensor/Switch B 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…
P0224 Buick Throttle/Petal Position Sensor/Switch B Circuit Intermittent
P0225 Buick Throttle Pedal Position Sensor/Switch C Circuit 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 unexpected voltage from the Throttle Position Sensor (TPS) is sent to Engine Control Module (ECM). Symptoms…
P0225 Buick Throttle Pedal Position Sensor/Switch C Circuit
P0226 Buick Throttle Pedal Position Sensor/Switch C Circuit 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 out of range voltage from the Throttle Position Sensor (TPS) is sent to Engine Control Module…