DTC B2585: ALC Parking Light System Fault: Description

DTC B2585 indicates that parking lights were not on when ALC headlight relay output is on. DTC B2585 will set when ALC option is enabled and Ignition 1 is active, ALC parking light output is active, and parking lights' active discrete input is not active for 5 seconds.

When DTC B2585 is set, SERVICE VEHICLE SOON indicator will illuminate. DTC B2585 can be cleared when BFC reads proper parking light voltage. DTC B2578 can also be cleared using scan tool, or history DTC will disappear after 100 ignition cycles if fault conditions do not reoccur.

DTC B2585 indicates that parking lights were not on when ALC headlight relay output is on. DTC B2585 will set when ALC option is enabled and Ignition 1 is active, ALC parking light output is active, and parking lights' active discrete input is not active for 5 seconds.

When DTC B2585 is set, SERVICE VEHICLE SOON indicator will illuminate. DTC B2585 can be cleared when BFC reads proper parking light voltage. DTC B2578 can also be cleared using scan tool, or history DTC will disappear after 100 ignition cycles if fault conditions do not reoccur.