Fig. 3: Identifying Body Control Module (BCM) Connector C2 Terminals
Courtesy of GENERAL MOTORS CORP.
DTC 22/32: COURTESY LIGHTS RETURN CIRCUIT SHORTED TO BATTERY
Description
Body Control Module (BCM) provides a ground path on courtesy lights return circuit when commanded by
instrument panel dimmer switch, door jamb switch or rear compartment lid ajar indicator switch inputs.
DTC 22 will set when courtesy lights return circuit is shorted to battery for more than 50 milliseconds while
BCM is providing ground for circuit.
When DTC 22 is set, courtesy lights will not come on and instrument panel dimmer switch will not operate.
Glove box and center console lights will operate normally. DTC 22 will clear when fault is corrected and
2000 Cadillac Escalade
2000 ACCESSORIES & EQUIPMENT' 'Body Control Modules - Escalade, Tahoe & Yukon Denali
Microsoft
October-22-10 7:55:08 PM Page 12 ©
2005 Mitchell Repair Information Company, LLC.
