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 Cadillac Seville SLSFACTORY OEM SERVICE PROCEDURE
Body Control Module DTCS
BODY CONTROL MODULE DIAGNOSTIC TROUBLE CODE (DTC) LIST
| DTC | Description |
|---|---|
| B0530 | FUEL LEVEL SENSOR STUCK |
| B0532 | FUEL LEVEL SENSOR SHORTED TO GROUND OR OPEN |
| B0533 | FUEL SENSOR FEEDBACK SHORTED HIGH |
| B1007 | EEPROM WRITE ERROR |
| B1009 | EEPROM CHECKSUM ERROR |
| B1310 | OUTSIDE (AMBIENT) AIR TEMPERATURE SENSOR FAILURE |
| B1317 | IN-CAR AIR TEMPERATURE SENSOR |
| B1318 | DRIVER-SIDE SOLAR SENSOR |
| B1321 | A/C LOW SIDE TEMPERATURE SENSOR |
| B1324 | A/C REFRIGERANT OVERPRESSURE |
| B1327 | SOURCE/BATTERY VOLTAGE LOW |
| B1328 | SOURCE/BATTERY VOLTAGE HIGH |
| B1329 | PASSENGER-SIDE SOLAR SENSOR |
| B1330 | LEFT A/C TEMPERATURE SENSOR |
| B1331 | RIGHT A/C TEMPERATURE SENSOR |
| B1332 | LEFT HEATER TEMPERATURE SENSOR |
| B1333 | RIGHT HEATER TEMPERATURE SENSOR |
| B1340 | DRIVER-SIDE AIR MIX ACTUATOR FEEDBACK |
| B1341 | PASSENGER-SIDE AIR MIX ACTUATOR FEEDBACK |
| B1343 | AIR INLET DOOR MOVEMENT FAULT |
| B1344 | HTR/DEF/AC DOOR MOVEMENT FAULT |
| B1390 | BATTERY VOLTAGE SENSOR FAILURE |
| B1652 | LOSS OF KEEP ALIVE MEMORY (KAM) |
| B1656 | EEPROM WRITE ERROR |
| B1658 | EEPROM CHECKSUM ERROR |
| B1805 | IGNITION SWITCH PROBLEM |
| B1982 | SOURCE/BATTERY VOLTAGE HIGH |
| B1983 | SOURCE/BATTERY VOLTAGE LOW |
| B2419 | TWILIGHT PHOTOCELL CIRCUIT PROBLEM |
| B2420 | TWILIGHT DELAY POT FAILURE |
| B2422 | INTERIOR LIGHT RHEOSTAT FAILURE |
| B2510 | STEERING WHEEL HVAC CONTROL SWITCHES STUCK |
| B2511 | STEERING WHEEL CONVENIENCE CONTROL SWITCHES STUCK |
| B2512 | STEERING WHEEL CONTROLS ILLEGAL A/D VALUES |
| U1016 | LOSS OF COMMUNICATIONS WITH PCM |
| U1040 | LOSS OF COMMUNICATIONS WITH ABS |
| U1056 | LOSS OF COMMUNICATIONS WITH RSS |
| U1064 | LOSS OF COMMUNICATIONS WITH DIM |
| U1065 | LOSS OF COMMUNICATIONS WITH IPM |
| U1066 | LOSS OF COMMUNICATIONS WITH RIM |
| U1088 | LOSS OF COMMUNICATIONS WITH SDM |
| U1096 | LOSS OF COMMUNICATIONS WITH IPC |
| U1128 | LOSS OF COMMUNICATIONS WITH IRC |
| U1129 | LOSS OF COMMUNICATIONS WITH AMP |
| U1160 | LOSS OF COMMUNICATIONS WITH DDM |
| U1176 | LOSS OF COMMUNICATIONS WITH RFA |
| U1192 | LOSS OF COMMUNICATIONS WITH VTD |
| U1255 | CLASS-II INITIALIZATION ERROR |
| U1300 | CLASS-II BUS SHORTED TO GROUND |
| U1301 | CLASS-II BUS SHORTED TO VOLTAGE |
Factory Service Tools
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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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