Category: Buick

P0627 Buick Fuel Pump Control System Malfunction Possible causes – Faulty fuel pump relay– Fuel pump harness is open or shorted– Fuel pump circuit poor electrical connection– Faulty fuel pump control module (if applicable) Symptoms – Engine Light ON (or Service Engine Soon Warning Light) P0627 Buick Description The Engine Control Module (ECM) has detected…

P0621 Buick Generator Lamp L Control Circuit Malfunction Possible causes – Battery charge– Faulty Generator– Generator harness is open or shorted– Generator circuit poor electrical connection– Engine Control Module (ECM) controlled generator– Faulty ECM Tech description The ECM is detecting a high turn-on voltage at times. Possible causes could be the alternator or the ECM….

P0622 Buick Generator Field Not Switching Possible causes – Battery charge– Faulty Generator– Generator harness is open or shorted– Generator circuit poor electrical connection– Engine Control Module (ECM) controlled generator– Faulty ECM Tech description If the battery is OK then the alternator is more than likely the problem. Symptoms – Engine Light ON (or Service…

P0623 Buick Generator Lamp Control Circuit OBD Code: System: Subsystem:  P0623 Buick – (ASE)  Powertrain  Computer and Auxiliary Output Circuits Trouble Code Description: Generator Lamp Control Circuit Location: Analysis: Possible Causes:    Circuit Issue   Tech description: Buick Vehicle:Buick Regal – ?Buick Riviera – ?Buick LaCrosse – ?David Dunbar Buick – Buick Century – Buick LaCrosse…

P0618 Buick Alternative Fuel Control Module KAM Error 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 –…

P0619 Buick Alternative Fuel Control Module RAM/ROM Error 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 –…

P061A Buick (Internal Control Module) Torque Performance OBD Code: System: Subsystem:  P061A Buick – (ASE)  Powertrain  Computer and Auxiliary Output Circuits Trouble Code Description: (Internal Control Module) Torque Performance Location: Analysis: Possible Causes:       Tech description: Buick Vehicle:Buick Regal – ?Buick Riviera – ?Buick LaCrosse – ?David Dunbar Buick – Buick Century – Buick…

P0616 Buick Starter Relay Circuit Low Possible causes – Park/neutral position (PNP) relay (starter relay)– Park/neutral position (PNP) relay (starter relay) harness is open or shorted– Park/neutral position (PNP) relay (starter relay) circuit poor electrical connection– Faulty Transmission Control Module (TCM) What about the obd code? The P0616 Buick code is detected when the Engine…

P0617 Buick Starter Relay Circuit Short Circuit Possible causes – Park/neutral position (PNP) relay (starter relay)– Park/neutral position (PNP) relay (starter relay) harness is open or shorted– Park/neutral position (PNP) relay (starter relay) circuit poor electrical connection– Faulty Transmission Control Module (TCM) What about the obd code? The P0617 Buick code is detected when the…

P0612 Buick Fuel Injector Control Module Relay Control OBD Code: System: Subsystem:  P0612 Buick – (ASE)  Powertrain  Computer and Auxiliary Output Circuits Trouble Code Description: Fuel Injector Control Module Relay Control Location: Analysis: Possible Causes:  Relay Control Circuit     Tech description: Buick Vehicle:Buick Regal – ?Buick Riviera – ?Buick LaCrosse – ?David Dunbar Buick –…

P0613 Buick Transaxle Control Module System Fault Possible causes – Faulty Transmission Control Module (TCM)– Transmission Control Module harness is open or shorted– Transmission Control Module circuit ppor electrical connection Symptoms – Engine Light ON (or Service Engine Soon Warning Light) P0613 Buick Description The Engine Control Module (ECM) has detected an internal failure in…

P0614 Buick ECM processor failure Possible causes – Faulty Engine Control Module (ECM)– Faulty Engine Control Module (ECM) harness is open or shorted– Faulty Engine Control Module (ECM) circuit poor electrical connection Symptoms – Engine Light ON (or Service Engine Soon Warning Light) Buick Vehicle:Buick Regal – ?Buick Riviera – ?Buick LaCrosse – ?David Dunbar…

P0615 Buick Start Signal Circuit Possible causes – Park/neutral position (PNP) relay (starter relay)– Park/neutral position (PNP) relay (starter relay) harness is open or shorted– Park/neutral position (PNP) relay (starter relay) circuit poor electrical connection– Faulty Transmission Control Module (TCM) What about the obd code? The P0615 Buick codes is detected when park/neutral (PNP) relay…