Category: Buick

P0707 Buick Transmission Range Switch Circuit Low Input Possible causes – Faulty Park/neutral position switch– Misadjusted park/neutral position switch– Park/neutral position switch harness is open or shorted– Park/neutral position switch circuit poor electrical connection Symptoms – Engine Light ON (or Service Engine Soon Warning Light) P0707 Buick Description The park/neutral position (PNP) switch includes a…

P0708 Buick Transmission Range Switch Circuit High Input Possible causes – Faulty Park/neutral position switch– Misadjusted park/neutral position switch– Park/neutral position switch harness is open or shorted– Park/neutral position switch circuit poor electrical connection Symptoms – Engine Light ON (or Service Engine Soon Warning Light) P0708 Buick Description The park/neutral position (PNP) switch includes a…

P0709 Buick Transmission Range Sensor Circuit Intermittent Possible causes – Faulty Park/neutral position switch– Misadjusted park/neutral position switch– Park/neutral position switch harness is open or shorted– Park/neutral position switch circuit poor electrical connection Symptoms – Engine Light ON (or Service Engine Soon Warning Light) P0709 Buick Description The park/neutral position (PNP) switch includes a transmission…

P0701 Buick Mitsubishi EEPROM System Malfunction Possible causes – Open or short transmission control system circuit– Poor transmission control system electrical connection– Check powers and grounds to Transmission Control Module (TCM) Symptoms – Engine Light ON (or Service Engine Soon Warning Light) Buick Vehicle:Buick Regal – ?Buick Riviera – ?Buick LaCrosse – ?David Dunbar Buick…

P0702 Buick Transmission Control Module Possible causes – Faulty Transmission Control Module– Transmission Control Module harness is open or shorted– Transmission Control Module circuit poor electrical connection Symptoms – Engine Light ON (or Service Engine Soon Warning Light) P0702 Buick Description The code is triggered by the Engine Control Module (ECM) when there is a…

P0703 Buick Brake Light Switch Plausibility Possible causes – Faulty Brake Switch– Misadjusted Brake Switch– Brake Switch harness is open or shorted– Brake Switch circuit poor electrical connection Tech description Check if the stop light works with the brake pedal, if the brake lights are inoperative, replaced or adjust the brake switch. Symptoms – Engine…

P0704 Buick Clutch Switch Input Circuit Malfunction Possible causes – Faulty Clutch Switch– Misadjusted Clutch Switch– Clutch Switch harness is open or shorted– Clutch Switch circuit poor electrical connection– Faulty Engine Control Module (ECM) Tech description Check clutch switch adjustment, the switch should open and close when the clutch pedal is depress. If the switch…

P0705 Buick Transmission Range Sensor Circuit Malfunction Possible causes – Faulty Park/Neutral Position Switch– Misadjusted Park/Neutral Position Switch– Park/Neutral Position Switch harness is open or shorted– Park/Neutral Position Switch circuit poor electrical connection What about the obd code? The transmission range switch detects the selector lever position and sends a signal to the TCM. Symptoms…

P0696 Buick Fan 3 Control Circuit High OBD Code: System: Subsystem:  P0696 Buick – (ASE)  Powertrain  Computer and Auxiliary Output Circuits Trouble Code Description: Fan 3 Control Circuit High Location: Analysis: Possible Causes:  Fan 3  End of Range – Circuit Higher Than Expected   Tech description: Buick Vehicle:Buick Regal – ?Buick Riviera – ?Buick LaCrosse –…

P0697 Buick 5 Volt Reference 3 Circuit Possible causes – Shorted sensor– Shorted circuit condition– Faulty Engine Control Module (ECM) Symptoms – Engine Light ON (or Service Engine Soon Warning Light) P0697 Buick Description The Engine Control Module (ECM) has detected an out of voltage range on the 5 volt reference circuit 3 Buick Vehicle:Buick…

P0698 Buick Sensor Reference Voltage C Circuit Low Possible causes – Faulty Accelerator Pedal Position Sensor– Accelerator Pedal Position Sensor harness is open or shorted– Accelerator Pedal Position Sensor circuit poor electrical connection Symptoms – Engine Light ON (or Service Engine Soon Warning Light) P0698 Buick Description The Engine Control Module (ECM) has detected a…

P0699 Buick Sensor Reference Voltage C Circuit High Possible causes – Faulty Accelerator Pedal Position Sensor– Accelerator Pedal Position Sensor harness is open or shorted– Accelerator Pedal Position Sensor circuit poor electrical connection Symptoms – Engine Light ON (or Service Engine Soon Warning Light) P0699 Buick Description The Engine Control Module (ECM) has detected a…

P069A Buick (Glow Plug 9) Control Circuit Low OBD Code: System: Subsystem:  P069A Buick – (ASE)  Powertrain  Computer and Auxiliary Output Circuits Trouble Code Description: (Glow Plug 9) Control Circuit Low Location: Analysis: Possible Causes:  Glow Plug 9  End of Range – Circuit Lower Than Expected   Tech description: Buick Vehicle:Buick Regal – ?Buick Riviera –…

P0692 Buick Fan 1 Control Circuit High Possible causes – Open or short cooling fan 1 relay circuit– Failed Cooling Fan Control Module Symptoms – Engine Light ON (or Service Engine Soon Warning Light)– Radiator fan inoperative– Possible engine overheating Buick Vehicle:Buick Regal – ?Buick Riviera – ?Buick LaCrosse – ?David Dunbar Buick – Buick…

P0693 Buick Cooling Fan 2 Relay Control Circuit Low Possible causes – Open or short cooling fan 2 relay circuit– Faulty low speed radiator fan relay– Faulty Front Control Module (FCM) Symptoms – Engine Light ON (or Service Engine Soon Warning Light)– Radiator fan inoperative– Possible engine overheating P0693 Buick Description The Front Control Module…

P0694 Buick Cooling Fan 2 Relay Control Circuit High Possible causes – Open or short cooling fan 2 relay circuit– Faulty low speed radiator fan relay– Faulty Front Control Module (FCM) Symptoms – Engine Light ON (or Service Engine Soon Warning Light)– Radiator fan inoperative– Possible engine overheating P0694 Buick Description The Front Control Module…