Lighting and Horns: Testing and Inspection

Diagnostic Trouble Code (DTC) Chart

NOTE: Refer to Description and Operation, Intelligent Access (IA) with Push Button Start in Antitheft and Alarm Systems to review the procedures for achieving the various ignition states (ignition off, ignition in accessory, ignition on, ignition start).



Smart Junction Box (SJB) DTC Chart











Headlamp Control Module (HCM) DTC Chart

NOTE: This module utilizes a 5-character DTC followed by a 2-character failure-type code. The failure-type code provides information about specific fault conditions such as opens, or shorts to ground. Continuous memory DTCs have an additional 2-character DTC status code suffix to assist in determining DTC history.








Headlamp Control Module 2 (HCM-2) DTC Chart

NOTE: This module utilizes a 5-character DTC followed by a 2-character failure-type code. The failure-type code provides information about specific fault conditions such as opens, or shorts to ground. Continuous memory DTCs have an additional 2-character DTC status code suffix to assist in determining DTC history.








ABS Module DTC Chart







Remote Function Actuator (RFA) Module DTC Chart

NOTE: This module utilizes a 5-character DTC followed by a 2-character failure-type code. The failure-type code provides information about specific fault conditions such as opens, or shorts to ground. Continuous memory DTCs have an additional 2-character DTC status code suffix to assist in determining DTC history.








PCM DTC Chart