Possible causes – Faulty Vehicle Speed Sensor– Vehicle Speed Sensor harness is open or shorted– Vehicle Speed Sensor circuit poor electrical connection Symptoms – Engine Light ON (or Service Engine Soon Warning Light) P1540 SUBARU Description The Vehicle Speed Sensor
Symptoms – Engine Light ON (or Service Engine Soon Warning Light) P1540 Information for specific makes P1540 BUICKP1540 CADILLACP1540 CHEVROLETP1540 GMCP1540 SUBARU
BUICK Technical Service Bulletins for P1540 code 2004 BUICK RAINIER ELECTRICAL SYSTEM
CHEVROLET Technical Service Bulletins for P1540 code 2002 CHEVROLET TRAILBLAZER ELECTRICAL SYSTEM 2003 CHEVROLET TRAILBLAZER ELECTRICAL SYSTEM 2004 CHEVROLET TRAILBLAZER ELECTRICAL SYSTEM
GMC Technical Service Bulletins for P1540 code 2002 GMC ENVOY ELECTRICAL SYSTEM 2003 GMC ENVOY ELECTRICAL SYSTEM 2004 GMC ENVOY ELECTRICAL SYSTEM
P1540 CADILLAC – A/C System High Pressure