B3538

B3538-OIL LIFE RESET SWITCH CIRCUIT LOW










The "CHANGE ENGINE OIL" telltale is reset by depressing the oil life reset push-button switch. This switch is located in the underhood junction block. Pressing this switch grounds circuits 1579. When grounded, the Body Control Module (BCM) requests the engine controller to perform an oil life reset. When reset is completed, the BCM will turn Off the "CHANGE ENGINE OIL" telltale.

DTC PARAMETERS
^ Ignition is in "RUN" position
^ Engine is running
^ Vehicle speed is greater than 10 km/h (6 mph)
^ Circuit 1579 shorted to ground

DIAGNOSTIC AIDS
^ Inspect wiring harness for damage. Check for broken or chaffed insulation.
^ If fault is suspected to be intermittent, wiggling harness wiring may help in locating fault.