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Home › GMC › 1998 › Jimmy 4D Utility, RWD › Repair and Diagnosis › Body & Frame › Body, Cab Control Systems › Body Control Module › Diagnosis & Testing › DTC B2585: Park Light Control Circuit Malfunction › Conditions for setting DTC:

Conditions for setting DTC:

Voltage on circuit No. 2409 is low or open and TBC module is requesting park lights on.
System voltage 9-16 volts.
Conditions met for .5 second.