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 MANUALSBUICK2000CENTURY CUSTOMREPAIR AND DIAGNOSISBODY & FRAMEBODY, CAB CONTROL SYSTEMSBODY CONTROL MODULESDIAGNOSTIC TESTSDTC B1015: VIN INFORMATION ERRORTESTING
2000 Buick Century Custom
DTC B1015: VIN Information Error: Testing
2000 Buick Century CustomSECTION Testing
- Perform BCM diagnostic system check. See BODY CONTROL MODULE (BCM) DIAGNOSTIC SYSTEM CHECK under SELF-DIAGNOSTIC SYSTEM. After performing diagnostic system check, go to next step.
- Using scan tool, observe VIN information in BCM, new VIN function, which resides in special functions menu. If scan tool displays proper VIN information, go to next step. If scan tool does not display proper VIN information, go to step 4 .
- Using scan tool, observe VIN information in PCM ID information menu, which resides in special functions menu. If scan tool displays proper VIN information, go to step 5 . If scan tool does not display proper VIN information, go to step 6 .
- Using scan tool, enter correct VIN information into BCM NEW VIN function. After inputting data, go to step 7 .
- Replace BCM. See BODY CONTROL MODULE (BCM) under REMOVAL & INSTALLATION. After replacement, perform set up procedure. See NEW BCM SETUP under PROGRAMMING. After repair, go to step 7 .
- Reprogram PCM. See COMPUTER RELEARN PROCEDURES - GENERAL MOTORS CORP. article in GENERAL INFORMATION. After repair, go to next step.
- Operate vehicle within conditions to set DTC. If DTC resets, return to step 2 . If DTC does not reset, system is okay.
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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.