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.
2002 Oldsmobile Bravada RWDFACTORY OEM SERVICE PROCEDURE
Body Control Module DTCS
BODY CONTROL MODULE DIAGNOSTIC TROUBLE CODE (DTC) LIST
| DTC | Definition |
|---|---|
| DTC B1000 | ECU Malfunction |
| DTC B1004 | Keep Alive Memory (KAM) Reset |
| DTC B1007 | Electronic Control Unit (ECU) Performance |
| DTC B1009 | EEPROM Checksum Error |
| DTC B1397 | Device Voltage Reference Out #1 CKT Low |
| DTC B1420 | Sensed Battery Voltage |
| DTC B1440 | Power Mode Master Input Circuits Mismatch |
Factory Service Tools
Use the Manual With the Right Hardware
Pair factory procedures with proven DIY tools so the instructions are easier to execute.
Disclosure: Verified tool recommendations may earn an affiliate commission at no cost to you.
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.