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P1189 Diagnostic Trouble Code Discussion for December 2005

Engine Oil Pressure Switch Circuit Malfunction

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Trouble Ticket Help Requests for DTC P1189
Help Request Posted
2001 Chevrolet Impala 3.4L Cooling fans stay on VIN: 2G1WFSSE61
P1189: Engine Oil Pressure Switch Circuit Malfunction. I have a 2001 impala that the cooling fans stay on low speed and the ecm keeps alive for 3 min after the key is shut off. no other components seem to be alive. Is there a doide or an ecm problem doing this to me. Thanks in advance for any help.
December 02, 2005
2003 Buick Rendezvous CX 3.4L MIL Lamp on, radio locks, VIN: 3G5DA03E62
P1189: Engine Oil Pressure Switch Circuit Open. Customer had the battery change, and then started to act up --- when starting the vehicle the Driver's message center at instrument panel reads"service engine soon"Not the MIL, the radio screen reads LOCKED,while engine running, and when we turn the ca...
December 14, 2005