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 MANUALSSATURN2000LW2 AUTOMATICREPAIR AND DIAGNOSIS (SINGLE PAGE)QUICK LOOKUPSDTC INDEXBODY CONTROL MODULE DTCS
2000 Saturn LW2 Automatic
Body Control Module DTCS
2000 Saturn LW2 AutomaticSECTION Body Control Module DTCS
BODY CONTROL MODULE DIAGNOSTIC TROUBLE CODE (DTC) LIST
| DTC | Description | ||||||||
|---|---|---|---|---|---|---|---|---|---|
| B1000 | ECU Malfunction | ||||||||
| B1001 | Option Configuration Error | ||||||||
| B1327 | Device Power No. 1 Circuit Low | ||||||||
| B1328 | Device Power No. 1 Circuit High | ||||||||
| B1372 | Device Ignition No. 1 Circuit Low | ||||||||
| B1382 | Device Ignition Accessory Circuit Low | ||||||||
| B2965 | Key-In-Ignition Circuit Open | ||||||||
| U1000 | Class-2 Serial Data Link Malfunction | ||||||||
| U1016(1) | Lost Communications With Engine Controls System | ||||||||
| U1040 | (2) Lost Communications With Electronic Brake/Traction Controls System | ||||||||
| U1064 | Lost Communications With BCM | ||||||||
| U1088 | Lost Communications With SDM | ||||||||
| U1096 | Lost Communications With IPC | ||||||||
| U1300 | Class-2 Serial Data Link Low | ||||||||
| U1301 | Class-2 Serial Data Link High | ||||||||
| U2100(3) | Controller Area Network BUS Communications Malfunction | ||||||||
| U2103 | (4) Fewer Controllers On BUS Than Programmed | ||||||||
| U2104 | (4) Controller Area Network BUS Reset Counter Overrun | ||||||||
| U2105 | Lost Communications With ECM | ||||||||
| U2106 | Lost Communications With TCM | ||||||||
| U2107 | Lost Communications With BCM | ||||||||
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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.