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 Buick Century CustomFACTORY OEM SERVICE PROCEDURE
Instrument Panel DTCS
INSTRUMENT PANEL DIAGNOSTIC TROUBLE CODE (DTC) IDENTIFICATION
| DTC | Description |
|---|---|
| B0570 | SEASON ODOMETER MALFUNCTION |
| B0600 | OPTION CONTENT FAILURE |
| B0602 | OSCILLATOR MALFUNCTION |
| B0608 | POWER MODING MALFUNCTION (IGN/CRANK SIGNAL) |
| U1016 | LOSS OF PCM COMMUNICATION |
| U1040 | LOSS OF EBCM/EBTCM COMMUNICATION |
| U1064 | LOSS OF BCM COMMUNICATION |
| U1096 | CLASS 2 TXD FAILURE (FAILED TO TRANSMIT 3 TIMES) |
| U1300 | CLASS 2 CIRCUIT (SHORT TO GROUND) |
| U1301 | CLASS 2 CIRCUIT (SHORT TO VOLTAGE) |
Factory Service Tools
Use the Manual With the Right Hardware
Pair factory procedures with proven DIY tools so the instructions are easier to execute.
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- β’ You smell fuel, burning insulation, or see smoke.
- β’ Brakes feel soft, pull hard to one side, or make grinding noises.
- β’ The engine overheats, stalls repeatedly, or misfires under load.
- β’ You are missing required tools, torque specs, or safe lifting equipment.
- β’ You are not confident in the next step or safety outcome.
