Category: Buick

P1689 Buick Oil Pressure Control Solenoid Circuit Malfunction 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 –…

P1683 Buick Metering Oil Pump Temperature Sensor Circuit Malfunction 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…

P1684 Buick Transmission Control Module Power Up Temperature Sensor Performance Possible causes – Reprogram TCM and recheck code– Replace Transmission Control Module (TCM) Sensor/body assembly one piece Symptoms – Engine Light ON (or Service Engine Soon Warning Light) P1684 Buick Description The Transmission Control Module (TCM) power up the temperature sensor is located inside of…

P1685 Buick Transmission Control Module Power Up Temperature Sensor Circuit Low Voltage Possible causes – Reprogram TCM and recheck code– Replace Transmission Control Module (TCM) Sensor/body assembly one piece Symptoms – Engine Light ON (or Service Engine Soon Warning Light) P1685 Buick Description The Transmission Control Module (TCM) power up the temperature sensor is located…

P1679 Buick Immobilizer Environment Identification Failed Possible causes – Deterrent key not programmed to vheicle– Faulty Deterrent key– Fualty ignition switch– Poor electrical connection for Deterrent circuit components Symptoms – Engine Light ON (or Service Engine Soon Warning Light)– No or hard engine start situation P1679 Buick Description The Engine Control Module (ECM), the Powertrain…

P1680 Buick Control Module Not Programmed Possible causes – Engine Control Module (ECM) programm error– Wrong Engine Control Module (ECM)– Faulty Engine Control Module (ECM) Symptoms – Engine Light ON (or Service Engine Soon Warning Light) P1680 Buick Description The Engine Control Module (ECM) program does not recognize the vehicles id, or the id is…

P1681 Buick Control Module Not Programmed Possible causes – Fualty ECM– Wrong ECM for vehicle– Service program error What about the obd code? Engine Control Module (ECM) program does not recognize the vehicles id, or the id is missing in the ECM. Symptoms – Engine Light ON (or Service Engine Soon Warning Light) P1681 Buick…

P1682 Buick Ignition 1 Switch Circuit 2 Possible causes – Faulty ignition switch– Ignition Switch harness is open or shorted– Ignition Switch circuit poor electrical connection– Faulty Engine Control Module (ECM) What about the obd code? The ECM has detected a voltage deifference between two circuits Symptoms – Engine Light ON (or Service Engine Soon…

P1675 Buick EVAP Vent Solenoid Control Circuit Possible causes – EVAP canister vent control solenoid harness is open or shorted – EVAP canister vent control solenoid circuit poor electrical connection – Faulty EVAP canister vent control solenoid Symptoms – Engine Light ON (or Service Engine Soon Warning Light) – Possible a noticeable fuel odor caused…

P1676 Buick EVAP Canister Purge Solenoid Control Circuit Fault Possible causes – EVAP Canister Purge Solenoid harness is open or shorted – EVAP Canister Purge Solenoid circuit poor electrical connection – Faulty EVAP Canister Purge Solenoid Symptoms – Engine Light ON (or Service Engine Soon Warning Light) P1676 Buick Description The Engine Control Module (ECM)…

P1677 Buick Immobilizer Function Deactivated Possible causes – Deterrent key not programmed to vheicle– Faulty Deterrent key– Fualty ignition switch– Poor electrical connection for Deterrent circuit components Symptoms – Engine Light ON (or Service Engine Soon Warning Light)– No or hard engine start situation P1677 Buick Description The Engine Control Module (ECM), the Powertrain Interface…

P1678 Buick Immobilizer Powertrain Identification Failed Possible causes – Deterrent key not programmed to vheicle– Faulty Deterrent key– Fualty ignition switch– Poor electrical connection for Deterrent circuit components Symptoms – Engine Light ON (or Service Engine Soon Warning Light)– No or hard engine start situation P1678 Buick Description The Engine Control Module (ECM), the Powertrain…

P1671 Buick Driver 4 Line 1 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 – Buick Enclave – Buick Encore – Buick Rainier – Buick Rendezvous – Buick…

P1672 Buick Low Engine Oil Level Lamp Control Circuit 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 – Buick Enclave – Buick Encore – Buick Rainier – Buick…

P1673 Buick Cooling Fan Relay Circuit Malfunction Possible causes – Faulty cooling fan relay– Cooling fan relay harness is open or shorted– Cooling fan relay circuit poor electrical connection Symptoms – Engine Light ON (or Service Engine Soon Warning Light)– Radiator fan inoperative– Engine overheating Buick Vehicle:Buick Regal – ?Buick Riviera – ?Buick LaCrosse –…

P1674 Buick Tachometer Control Circuit 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 – Buick Enclave – Buick Encore – Buick Rainier – Buick Rendezvous – Buick Terraza…

P1670 Buick Electronic Feedback Signal Not Detected 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 – Buick…

P1667 Buick Reverse Inhibit Solenoid Control Circuit 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 – Buick Enclave – Buick Encore – Buick Rainier – Buick Rendezvous –…

P1669 Buick ABS Unit Expected 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 – Buick Enclave – Buick Encore – Buick Rainier – Buick Rendezvous – Buick Terraza…

P1663 Buick Oil Life Lamp Control Circuit 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 – Buick Enclave – Buick Encore – Buick Rainier – Buick Rendezvous –…