Contents Wiring diagrams Section: Diagnosis - A/t: Diagnosis All sections

EXITING SELF-DIAGNOSTICS GMC Pickup C2500

EXITING SELF-DIAGNOSTICS

During self-diagnostics procedure, it is possible to exit service mode without erasing trouble codes. On non-CRT equipped vehicles, depress BI-LEV button on ECCP or turn ignition switch to OFF position. On CRT monitor equipped panel vehicles, touch RTN key on CRT monitor panel or turn ignition switch to OFF position.