P1493 Buick 5V Supply Output Too Low 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 –…
Category: Buick
P1493 Buick 5V Supply Output Too Low
P1494 Buick EVAP Leak Detection Pump Pressure Switch Condition Possible causes – Leak Detection Pump (LDP) harness is open or shorted – Leak Detection Pump (LDP) poor electrical connection – Faulty Leak Detection Pump (LDP) What about the obd code? Malfunction is detected when the Powertrain Control Module (PCM) detected the leak detection pump switch…
P1494 Buick EVAP Leak Detection Pump Pressure Switch Condition
P1495 Buick EVAP Leak Detection Pump Solenoid Circuit Condition Possible causes – Leak Detection Pump (LDP) harness is open or shorted – Leak Detection Pump (LDP) poor electrical connection – Faulty Leak Detection Pump (LDP) What about the obd code? Malfunction is detected when the Powertrain Control Module (PCM) detected the pump solenoid did not…
P1495 Buick EVAP Leak Detection Pump Solenoid Circuit Condition
P1498 Buick Exhaust Gas Recirculation (EGR) Valve Position Sensor Circuit High Voltage 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…
P1487 Buick Catalyst Temp Sens Circ Shorted Low
P1489 Buick Catalytic Conv Overheat Detected 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…
P1489 Buick Catalytic Conv Overheat Detected
P1490 Buick Vacuum Cut Valve Bypass Valve Possible causes – Faulty Vacuum Cut Valve Bypass Valve– Clogged vacuum hoses to the Vacuum Cut Valve Bypass Valve– Vacuum cut valve bypass valve harness is open or shorted– Vacuum cut valve bypass valve electrical circuit poor connection What about the obd code? – An improper voltage signal…
P1490 Buick Vacuum Cut Valve Bypass Valve
P1491 Buick Exhaust Gas Recirculation Valve Insufficient Lift Possible causes – Vacuum cut valve bypass valve – Vacuum cut valve – Bypass hoses for clogging – EVAP control system pressure sensor and circuit – EVAP canister vent control valve – Hose between fuel tank and vacuum cut valve clogged – Hose between vacuum cut valve…
P1491 Buick Exhaust Gas Recirculation Valve Insufficient Lift
P1492 Buick APLSOL Buick 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 – Buick…
P1486 Buick EVAP System Pinched Hose Found
P1487 Buick Catalyst Temp Sens Circ Shorted Low 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…
P1483 Buick Power To Fan Circuit Overcurrent
P1484 Buick Open Power To Ground VCRM 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…
P1484 Buick Open Power To Ground VCRM
P1485 Buick EGRV 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 – Buick Enclave –…
P1485 Buick EGRV Circuit Malfunction
P1486 Buick EVAP System Pinched Hose Found Possible causes – Leak Detection Pump (LDP) pressure hose obstructed – Faulty Leak Detection Pump (LDP) – Obstructed hose – EVAP canister obstructed What about the obd code? Malfunction is detected when during system monitor test the Powertrain Control Module (PCM) detected a pinched EVAP hose Symptoms –…
P1479 Buick High Fan Control Primary Circuit Malfunction
P1480 Buick Cooling fan relay 1 circuit high input 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…
P1480 Buick Cooling fan relay 1 circuit high input
P1481 Buick Fan Secondary Low With High Fan On 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…
P1481 Buick Fan Secondary Low With High Fan On
P1482 Buick SCP 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 Enclave – Buick Encore…
P1482 Buick SCP
P1483 Buick Power To Fan Circuit Overcurrent 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…
P1474 Buick Low Fan Control Primary Circuit Malfunction
P1475 Buick Fan Relay (Low) 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 – Buick…
P1475 Buick Fan Relay (Low) Circuit Malfunction
P1477 Buick Additional Fan Relay 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 – Buick…
P1477 Buick Additional Fan Relay Circuit Malfunction
P1479 Buick High Fan Control Primary 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 –…
P1470 Buick A/C Cycling Period Too Short
P1471 Buick Electrodrive Fan 1 Operational Failure (Driver Side) 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…