DTC B2600: DRL Error: Description

DTC B2600 indicates that a system problem has occurred that is preventing Daytime Running Lights (DRL) system from operating properly. DTC B2600 will set when ambient light sensor indicates bright conditions, DRL is configured to have a drop resistor and ignition 3 input is active, DRL relay output is active, and headlights operate improperly (low beams not in DRL range or high beams on) for more than 10 DRL relay on/off cycles.

When DTC B2600 is set, low beams will flicker or remain off in bright conditions and DRL relay will turn off . DTC B2600 can be cleared when fault state is exited when ignition 3 input becomes inactive. DTC B2600 can also be cleared using scan tool, or history DTC will disappear after 100 ignition cycles if fault conditions do not reoccur.