Category: Buick

P0597 Buick Thermostat Heater Control Circuit Open Possible causes – Failed Engine Cooling Thermostat– Engine Cooling Thermostat harness is open or shorted– Engine Cooling Thermostat circuit poor electrical connection Tech description If there are not coolant system leaks, replaced the thermostat to fix the problem. What about the obd code? The P0597 Buick is triggered…

P0598 Buick Thermostat Heater Control Circuit Low Possible causes – Failed Engine Cooling Thermostat– Engine Cooling Thermostat harness is open or shorted– Engine Cooling Thermostat circuit poor electrical connection Tech description If there are not coolant system leaks, replaced the thermostat to fix the problem. What about the obd code? The P0598 Buick is triggered…

P0590 Buick Speed Control Multiplexed Switch Performance Possible causes – Faulty Speed Control Switch– Speed Control Switch harness is open or shorted– Speed Control Switch circuit poor electrical connection What about the obd code? The Steering Column Control Module (SCCM) has detected that the Speed Control Switch 2 is not operating correctly Symptoms – Engine…

P0591 Buick Speed Control Multiplexed Switch Performance Possible causes – Faulty Speed Control Switch– Speed Control Switch harness is open or shorted– Speed Control Switch circuit poor electrical connection What about the obd code? The Steering Column Control Module (SCCM) has detected that the Speed Control Switch 2 is not operating correctly Symptoms – Engine…

P0592 Buick Speed Control Switch 2 Circuit Low Possible causes – Faulty Speed Control Switch– Speed Control Switch harness is open or shorted– Speed Control Switch circuit poor electrical connection What about the obd code? The ECM has detected that the speed control switch 2 is below minimum voltage range Symptoms – Engine Light ON…

P0593 Buick Speed Control Switch 2 Circuit High Possible causes – Faulty Speed Control Switch– Speed Control Switch harness is open or shorted– Speed Control Switch circuit poor electrical connection What about the obd code? The ECM has detected that the speed control switch 2 is above minimum voltage range Symptoms – Engine Light ON…

P0594 Buick Speed Control Servo Circuit Possible causes – Faulty Servo Motor– Servo Motor harness is open or shorted– Servo Motor circuit poor electrical connection What about the obd code? Open or shorted condition in the cruise control servo circuit Symptoms – Engine Light ON (or Service Engine Soon Warning Light) Buick Vehicle:Buick Regal –…

P0585 Buick Speed Control Switch Correlation Error Possible causes – Faulty clock spring– Clock spring harness is open or shorted– Clock spring circuit poor electrical connection Tech description This code can be set if two different control buttons in the cruise control system are press at the same time for more than 450 milliseconds. Since…

P0586 Buick Speed Control Vent Solenoid Condition Possible causes – Open or short speed control vent solenoid circuit– Poor speed control vent solenoid electrical connection– Faulty Speed Conrtol Vent Solenoid What about the obd code? Open or shorted condition in the vent solenoid circuit Symptoms – Engine Light ON (or Service Engine Soon Warning Light)…

P0587 Buick Cruise Control Vent Control Circuit Low Symptoms – Engine Light ON (or Service Engine Soon Warning Light) Buick Vehicle:Buick Regal – ?Buick Riviera – ?Buick LaCrosse – ?David Dunbar Buick – Buick Century – Buick LaCrosse – Buick LeSabre – Buick Lucerne – Buick Park Avenue – Buick Regal – Buick Verano –…

P0588 Buick Cruise Control Vent Control Circuit High Symptoms – Engine Light ON (or Service Engine Soon Warning Light) Buick Vehicle:Buick Regal – ?Buick Riviera – ?Buick LaCrosse – ?David Dunbar Buick – Buick Century – Buick LaCrosse – Buick LeSabre – Buick Lucerne – Buick Park Avenue – Buick Regal – Buick Verano –…

P0589 Buick Speed Control Switch 2 Performance Condition Possible causes – Open or short cruise control switch circuit– Poor cruise control switch electrical connection– Faulty cruise control switch What about the obd code? Cruise control switch out of range Symptoms – Engine Light ON (or Service Engine Soon Warning Light) Buick Vehicle:Buick Regal – ?Buick…

P0581 Buick Speed Control Switch 1 Circuit High Possible causes – Faulty Cruise Control Multifunction Switch– Cruise Control Multifunction Switch harness is open or shorted– Cruise Control Multifunction Switch circuit poor electrical connection Symptoms – Engine Light ON (or Service Engine Soon Warning Light)– Cruise control system inoperative Buick Vehicle:Buick Regal – ?Buick Riviera –…

P0582 Buick Speed Control Vacuum Solenoid Condition Possible causes – Faulty Vacuum Solenoid– Vacuum Solenoid harness is open or short– Vacuum Solenoid circuit poor electrical connection Symptoms – Engine Light ON (or Service Engine Soon Warning Light)– Cruise control system inoperative Buick Vehicle:Buick Regal – ?Buick Riviera – ?Buick LaCrosse – ?David Dunbar Buick –…

P0583 Buick Cruise Control Vacuum Control Circuit Low OBD Code: System: Subsystem:  P0583 Buick – (ASE)  Powertrain  Vehicle Speed Control, Idle Controls, and Auxiliary Inputs Trouble Code Description: Cruise Control Vacuum Control Circuit Low Location: Analysis: Possible Causes:    End of Range – Circuit Lower Than Expected   Tech description: Buick Vehicle:Buick Regal – ?Buick Riviera…

P0584 Buick Cruise Control Vacuum Control Circuit High OBD Code: System: Subsystem:  P0584 Buick – (ASE)  Powertrain  Vehicle Speed Control, Idle Controls, and Auxiliary Inputs Trouble Code Description: Cruise Control Vacuum Control Circuit High Location: Analysis: Possible Causes:    End of Range – Circuit Higher Than Expected   Tech description: Buick Vehicle:Buick Regal – ?Buick Riviera…

P0576 Buick Cruise Control Input Circuit Low Possible causes – Faulty Cruise Control Function Switch– Cruise Control Function Switch harness is open or shorted– Cruise Control Function Switch circuit poor electrical connection Symptoms – Engine Light ON (or Service Engine Soon Warning Light)– Cruise control system inoperative Buick Vehicle:Buick Regal – ?Buick Riviera – ?Buick…

P0577 Buick Cruise Control Input Circuit High Possible causes – Faulty Cruise Control Function Switch– Cruise Control Function Switch harness is open or shorted– Cruise Control Function Switch circuit poor electrical connection What about the obd code? The P0577 Buick codes is set when there is a malfunction with the cruise control system. Symptoms –…

P0578 Buick Cruise Control Multi-Function Input A Circuit Stuck Possible causes – Faulty Cruise Control Function Switch– Cruise Control Function Switch harness is open or shorted– Cruise Control Function Switch circuit poor electrical connection Symptoms – Engine Light ON (or Service Engine Soon Warning Light)– Cruise control system inoperative Buick Vehicle:Buick Regal – ?Buick Riviera…

P0579 Buick Speed Control Switch 1 Performance Condition Possible causes – Faulty Cruise Control Function Switch– Cruise Control Function Switch harness is open or shorted– Cruise Control Function Switch circuit poor electrical connection Symptoms – Engine Light ON (or Service Engine Soon Warning Light)– Cruise control system inoperative Buick Vehicle:Buick Regal – ?Buick Riviera –…