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P1189 Diagnostic Trouble Code Discussion for December 2004

Engine Oil Pressure Switch Circuit Malfunction


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Trouble Ticket Help Requests for DTC P1189
Help Request Posted
2000 Buick Century Limited 3.1L MIL Lamp on VIN: 2G4WY55J7Y
P1189: oil pressure switch. ... much information about this vehicle! We have two 2000 Buick Centuries afflicted with the same problem. The first customer would stop by the shop every week or so after long driving trips because the check engine light would come on and then go off (not fla...
December 01, 2004
2001 Oldsmobile Alero GLS 3.4L No Start VIN: 1G3NF52E51
P1189: Engine Oil Pressure Switch Circuit Malfunction. ... problem similar to this, the car will crank but won't start,the security light will flash. I performed relearn procedure and then the car will start. Last time I replaced the passlock sensor and I thought I had it fixed. The problem is intermitent, I got t...
December 24, 2004
2000 Buick Century Limited 3.1L MIL Lamp on VIN: 2G4WY55J7Y
P1189: oil pressure switch. ... much information about this vehicle! We have two 2000 Buick Centuries afflicted with the same problem. The first customer would stop by the shop every week or so after long driving trips because the check engine light would come on and then go off (not fla...
December 29, 2004