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.
1998 Oldsmobile Cutlass BaseFACTORY OEM SERVICE PROCEDURE
Body Control Module DTCS
BODY CONTROL MODULE DIAGNOSTIC TROUBLE CODE (DTC) LIST
| DTC | Description |
|---|---|
| B1000 | INTERNAL BFC FAULT DETECTED |
| B1001 | VEHICLE OPTION CONFIGURATION REQUIRED |
| B1369 | IGNITION 0 FAULT |
| B1374 | IGNITION 1 FAULT (WITH ENGINE RUNNING) |
| B1379 | IGNITION 3 FAULT |
| B1487 | GENERATOR "L" TERMINAL LOW WITH ENGINE RUNNING |
| B1488 | GENERATOR "L" TERMINAL HIGH |
| B1492 | GENERATOR "F" TERMINAL LOW |
| B1493 | GENERATOR "F" TERMINAL HIGH |
| B2532 | FRONT FOGLIGHT RELAY OUTPUT SHORT TO GROUND/OPEN |
| B2533 | FRONT FOGLIGHT RELAY OUTPUT SHORT TO BATTERY |
| B2558 | INTERIOR LIGHT CONTROL OUTPUT SHORT TO BATTERY |
| B2575 | ALC HEADLIGHT SYSTEM FAULT |
| B2577 | ALC HEADLIGHT RELAY OUTPUT SHORT TO GROUND/OPEN |
| B2578 | ALC HEADLIGHT RELAY OUTPUT SHORT TO BATTERY |
| B2585 | ALC PARKING LIGHT SYSTEM FAULT |
| B2587 | ALC PARKING LIGHT RELAY OUTPUT SHORT TO GROUND/OPEN |
| B2588 | ALC PARKING LIGHT RELAY OUTPUT SHORT TO BATTERY |
| B2600 | DRL ERROR |
| B2602 | DRL RELAY OUTPUT SHORT TO GROUND/OPEN |
| B2603 | DRL RELAY OUTPUT SHORT TO BATTERY |
| B1379 | IGNITION 3 FAULT |
| B1487 | GENERATOR "L" TERMINAL LOW WITH ENGINE RUNNING |
| B1488 | GENERATOR "L" TERMINAL HIGH |
| B1492 | GENERATOR "F" TERMINAL LOW |
| B1493 | GENERATOR "F" TERMINAL HIGH |
| B2532 | FRONT FOGLIGHT RELAY OUTPUT SHORT TO GROUND/OPEN |
| B2533 | FRONT FOGLIGHT RELAY OUTPUT SHORT TO BATTERY |
| B2558 | INTERIOR LIGHT CONTROL OUTPUT SHORT TO BATTERY |
| B2575 | ALC HEADLIGHT SYSTEM FAULT |
| B2577 | ALC HEADLIGHT RELAY OUTPUT SHORT TO GROUND/OPEN |
| B2578 | ALC HEADLIGHT RELAY OUTPUT SHORT TO BATTERY |
| B2585 | ALC PARKING LIGHT SYSTEM FAULT |
| B2587 | ALC PARKING LIGHT RELAY OUTPUT SHORT TO GROUND/OPEN |
| B2588 | ALC PARKING LIGHT RELAY OUTPUT SHORT TO BATTERY |
| B2600 | DRL ERROR |
| B2602 | DRL RELAY OUTPUT SHORT TO GROUND/OPEN |
| B2603 | DRL RELAY OUTPUT SHORT TO BATTERY |
| B2647 | AMBIENT LIGHT SENSOR SIGNAL SHORT TO GROUND/OPEN |
| B2648 | AMBIENT LIGHT SENSOR SIGNAL SHORT TO BATTERY |
| B2965 | KEY-IN-IGNITION FAULT |
| P0462 | FUEL LEVEL SENSOR SIGNAL SHORTED TO GROUND |
| P0463 | FUEL LEVEL SENSOR SIGNAL OPEN/SHORT TO BATTERY |
| U1000 | LOSS OF CLASS 2 SERIAL DATA FAULT |
| U1016 | PCM CLASS 2 SERIAL DATA STATE OF HEALTH FAULT |
| U1040 | EBCM CLASS 2 SERIAL DATA STATE OF HEALTH FAULT |
| U2000 | INVALID BFC TRANSMITTED SPI DATA |
| U2001 | INVALID INSTRUMENT PANEL TRANSMITTED SPI DATA |
| U2002 | TRANSMITTED SPI DATA INPUT LOW |
| U2003 | TRANSMITTED SPI DATA INPUT HIGH |
| U2004 | TRANSMITTED SPI DATA OUTPUT LOW |
| U2005 | TRANSMITTED SPI DATA OUTPUT HIGH |
| U2006 | TRANSMITTED SPI CLOCK OUTPUT LOW |
| U2007 | TRANSMITTED SPI CLOCK OUTPUT HIGH |
Factory Service Tools
Use the Manual With the Right Hardware
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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.
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