Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
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HOMESERVICE MANUALSBUICK1998REGAL 25TH ANNIVERSARY EDITIONREPAIR AND DIAGNOSIS (SINGLE PAGE)BODY & FRAMEBODY, CAB CONTROL SYSTEMSBODY CONTROL MODULEDIAGNOSTIC TESTSDTC B2417: DRL CONTROL MODULE CIRCUIT (SHORT TO GROUND OR OPEN)TESTING
1998 Buick Regal 25th Anniversary Edition
DTC B2417: DRL Control Module Circuit (Short To Ground Or Open): Testing
1998 Buick Regal 25th Anniversary EditionSECTION Testing
- If BCM diagnostic system check was performed, go to next step. If BCM diagnostic system check was not performed, see procedures in BCM DIAGNOSTIC SYSTEM CHECK .
- Turn ignition switch to LOCK position. Disconnect BCM Pink 32-pin connector C1. Using test light, backprobe between BCM harness connector C1, terminal C9 (Pink/White wire) and ground. If test light illuminates, go to step 8). If test light does not illuminate, go to next step.
- Using DVOM, check resistance between BCM harness connector C1, terminal C9 (Pink/White wire) and ground. If resistance is infinite, go to next step. If resistance is not infinite, go to step 5).
- Leave DVOM connected as specified in step 3). Disconnect DRL control module connectors. See COMPONENT LOCATIONS . If resistance is infinite, go to step 9). If resistance is not infinite, go to step 6).
- Using test light, backprobe between DRL control module Blue 8-pin connector C2, terminal "B" (Pink/White wire) and ground. If test light illuminates, go to step 14). If test light does not illuminate, go to step 7).
- Connect test light between DRL control module Black 8-pin harness connector C1, terminal "A" (Orange wire) and battery voltage. If test light illuminates, go to step 11). If test light does not illuminate, go to step 12).
- Connect test light between DRL control module Black 8-pin harness connector C1, terminal "A" (Orange wire) and ground. If test light illuminates, go to step 12). If test light does not illuminate, go to step 13).
- Turn ignition switch to LOCK position. Reinstall all components and connectors. Turn ignition switch to RUN position. Using scan tool, clear DTCs. Turn ignition switch to START, then to RUN position. Check for DTCs. If DTC B2417 is set, go to step 10). If DTC B2417 is not set, go to step 15).
- Repair short to ground in Pink/White wire between BCM connector C1 and DRL control module connector C2. Go to step 16).
- Turn ignition switch to LOCK position. Replace BCM. See REMOVAL & INSTALLATION. Reprogram BCM. See BCM PROGRAMMING . Go to step 16).
- Repair short to ground in Orange wire between DRL control module connector C1 and underhood accessory wiring junction block. Go to step 16).
- Replace DRL control module. Go to step 16).
- Repair poor connection or open in Orange wire between DRL control module connector C1 and underhood accessory wiring junction block. Go to step 16).
- Repair poor connection or open in Pink/White wire between DRL control module connector C2 and BCM connector C1. Go to step 16).
- System is operating properly at this time. See DIAGNOSTIC AIDS. After any repairs are made, go to next step.
- Turn ignition switch to LOCK position. Reinstall all components and connectors. Turn ignition switch to RUN position. Using scan tool, clear DTCs. Check for DTCs. If any DTCs are current, perform BCM DIAGNOSTIC SYSTEM CHECK . If no DTCs are current, system is operating properly.
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.