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Lighting and Horns: Testing and Inspection




Diagnostic Trouble Code (DTC) Chart


Smart Junction Box (SJB) DTC Chart

B106E-B2051:





B2A2A-B2498:







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.

B1A98:88-B1D65:87 / U0001:88-U3003:17:








PCM DTC Chart

P1910: