Category: Buick

P0759 Buick Shift Solenoid B Intermittent Possible causes – Low transmission fluid level– Dirty transmission fluid– Faulty shift solenoid ‘B’ valve– Shift solenoid ‘B’ valve harness or connectors– Shift solenoid ‘B’ valve circuit is open or shorted What about the obd code? The P0759 Buick code is detected when the gear required by the ECM…

P0751 Buick Shift Solenoid A Performance or Stuck Off Possible causes – Low transmission fluid level– Dirty transmission fluid– Faulty shift solenoid ‘A’ valve– Shift solenoid ‘A’ valve harness or connectors– Shift solenoid ‘A’ valve circuit is open or shorted Tech description When the a transmission solenoid is stuck off, in most cases the problem…

P0752 Buick Shift Solenoid A Performance or Stuck On Possible causes – Low transmission fluid level– Dirty transmission fluid– Faulty shift solenoid ‘A’ valve– Shift solenoid ‘A’ valve harness or connectors– Shift solenoid ‘A’ valve circuit is open or shorted Tech description When the a transmission solenoid is stuck on, in most cases the problem…

P0753 Buick Shift Solenoid A Electrical Possible causes – Low transmission fluid level– Dirty transmission fluid– Faulty shift solenoid ‘A’ valve– Shift solenoid ‘A’ valve harness or connectors– Shift solenoid ‘A’ valve circuit is open or shorted What about the obd code? The P0753 Buick code is detected when the gear required by the ECM…

P0754 Buick Shift Solenoid A Intermittent Possible causes – Low transmission fluid level– Dirty transmission fluid– Faulty shift solenoid ‘A’ valve– Shift solenoid ‘A’ valve harness or connectors– Shift solenoid ‘A’ valve circuit is open or shorted Tech description When the a transmission solenoid is intermittent, in most cases the problem is not the electrical…

P0755 Buick Shift Solenoid B Malfunction Possible causes – Low transmission fluid level– Dirty transmission fluid– Faulty shift solenoid ‘B’ valve– Shift solenoid ‘B’ valve harness is open or shorted– Shift solenoid ‘B’ valve circuit poor electrical connection Tech description When the a transmission solenoid is malfunction, in most cases the problem is not the…

P0749 Buick Pressure Control Solenoid A Intermittent Possible causes – Low transmission fluid level– Dirty transmission fluid– Faulty line pressure solenoid valve ‘A’– Line pressure solenoid valve ‘A’ harness is open or shorted– Line pressure solenoid valve ‘A’ circuit poor electrical connection Tech description When the a transmission solenoid is intermittent, in most cases the…

P0750 Buick Shift Solenoid A Malfunction Possible causes – Low transmission fluid level– Dirty transmission fluid– Faulty shift solenoid ‘A’ valve– Shift solenoid ‘A’ valve harness or connectors– Shift solenoid ‘A’ valve circuit is open or shorted Tech description When the a transmission solenoid is malfunction, in most cases the problem is not the electrical…

P0747 Buick Pressure Control Solenoid A Stuck On Possible causes – Low transmission fluid level– Dirty transmission fluid– Faulty Pressure Control Solenoid– Pressure Control Solenoid harness is open or shorted– Pressure Control Solenoid circuit poor electrical connection Tech description When the a transmission solenoid is stuck on, in most cases the problem is not the…

P0748 Buick Pressure Control Solenoid A Circuit System Fault Possible causes – Dirty transmission fluid– Low transmission fluid level– Faulty line pressure solenoid valve ‘A’– Line pressure solenoid valve ‘A’ harness is open or shorted– Line pressure solenoid valve ‘A’ circuit poor electrical connection Tech description When the a transmission solenoid is stuck on, in…

P0743 Buick Torque Converter Clutch Circuit Electrical Possible causes – Faulty torque converter clutch solenoid valve– Torque converter clutch solenoid valve harness is open or shorted– Torque converter clutch solenoid valve circuit poor electrical connection– Low transmission fluid level– Dirty transmission fluid Tech description This is an electrical problem code. Could be a problem to…

P0744 Buick Torque Converter Clutch Solenoid Valve Function Possible causes – Faulty torque converter clutch solenoid valve– Torque converter clutch solenoid valve harness is open or shorted– Torque converter clutch solenoid valve circuit poor electrical connection– Low transmission fluid level– Dirty transmission fluid Tech description When the a transmission solenoid is working intermittent, in most…

P0745 Buick Pressure Control Solenoid Electrical Malfunction Possible causes – Low transmission fluid level– Dirty transmission fluid– Faulty line pressure solenoid valve– Line pressure solenoid valve harness is open or shorted– Line pressure solenoid valve circuit poor electrical connection Tech description When the a transmission solenoid is malfunction, in most cases the problem is not…

P0746 Buick Pressure Control Solenoid A Performance Possible causes – Low transmission fluid level– Dirty transmission fluid– Faulty line pressure solenoid valve– Line pressure solenoid valve harness is open or shorted– Line pressure solenoid valve circuit poor electrical connection Tech description When the a transmission solenoid is stuck off, in most cases the problem is…

P0738 Buick Transmission Control Module (TCM) Engine Speed Output Circuit Low OBD Code: System: Subsystem:  P0738 Buick – (ASE)  Powertrain  Transmission Controls Trouble Code Description: Transmission Control Module (TCM) Engine Speed Output Circuit Low Location: Analysis: Possible Causes:    End of Range – Circuit Lower Than Expected   Tech description: Buick Vehicle:Buick Regal – ?Buick Riviera…

P0739 Buick Transmission Control Module (TCM) Engine Speed Output Circuit High OBD Code: System: Subsystem:  P0739 Buick – (ASE)  Powertrain  Transmission Controls Trouble Code Description: Transmission Control Module (TCM) Engine Speed Output Circuit High Location: Analysis: Possible Causes:    End of Range – Circuit Higher Than Expected   Tech description: Buick Vehicle:Buick Regal – ?Buick Riviera…

P0740 Buick Torque Converter Clutch Circuit Malfunction Possible causes – Low transmission fluid level– Dirty transmission fluid– Faulty torque converter clutch solenoid valve– Torque converter clutch solenoid valve harness is open or shorted– Torque converter clutch solenoid valve circuit poor electrical connection What about the obd code? Diagnostic trouble code P0740 Buick is detected when…

P0741 Buick Torque Converter Clutch Circuit Performance or Stuck Off Possible causes – Low transmission fluid level– Dirty transmission fluid– Faulty torque converter clutch solenoid valve– Torque converter clutch solenoid valve harness or connectors– Torque converter clutch solenoid valve circuit is open or shorted– Transmission internal mechanical problem What about the obd code? Lock-up does…

P0742 Buick Torque Converter Clutch Circuit Stuck On Possible causes – Low transmission fluid level– Dirty transmission fluid– Faulty torque converter clutch solenoid valve– Torque converter clutch solenoid valve harness or connectors– Torque converter clutch solenoid valve circuit is open or shorted– Transmission internal mechanical problem Tech description When the a transmission solenoid is stuck…

P0734 Buick Gear 4 Incorrect Ratio Possible causes – Low transmission fluid level– Dirty transmission fluid– Shift solenoids– Transmission mechanical problems– Transmission hydraulic control circuit Tech description Start by inspecting the transmission fluid level and condition, and change fluid if necessary. What about the obd code? P0734 Buick is detected when A/T cannot be shifted…