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.
1997 Cadillac Eldorado BaseFACTORY OEM SERVICE PROCEDURE
Instrument Panel DTCS
INSTRUMENT PANEL DTCS
| DTC | Description |
|---|---|
| B1552 | Loss of Keep Alive Memory (KAM) |
| B1556 | IPC EEPROM Odometer Error |
| B1557 | EEPROM Calibration Error |
| B1910 | Generator L-Terminal Open Circuit |
| B1911 | Generator L-Terminal Problem |
| B1981 | Source Voltage Low (Engine Running) |
| B1982 | Source Voltage High |
| B1983 | Source Voltage Low |
| B2419 | Twilight Sentinel Photo Sensor Malfunction |
| B2510 | Steering Wheel Controls HVAC Key Stuck |
| B2511 | Steering Wheel Controls Convenience Key Stuck |
| B2515 | Steering Wheel Controls Illegal Resistance Value |
| B2710 | PASS-Key(R) II Open/Short Key Pellet |
| B2711 | PASS-Key(R) II Open/Short Key Pellet |
| B2750 | PASS-Key(R) II Data Communication Malfunction |
| B2780 | Wrong Resistor Value Before Good |
| B2781 | Wrong Resistor Value After Good |
| B2782 | PASS-Key(R) II Pellet Value Not Programmed |
| B2783 | PASS-Key(R) II Code/Password Corrupted |
| C1210 | Brake Fluid Level Switch Open |
| U1016 | Loss Of Serial Communications - PCM |
| U1040 | Loss Of Serial Communications - ABS |
| U1064 | Loss Of Serial Communications - PZM |
| U1088 | Loss Of Serial Communications - SDM |
| U1144 | Loss Of Serial Communications - PHN |
| U1152 | Loss Of Serial Communications - ACM |
| U1153 | Loss Of Serial Communications - CCP |
| U1255 | Class 2 Initialization Error |
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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