BCM DTC Definition
WARNING: This page is about a different car, the 1997 Cadillac Seville, 1997 Cadillac Eldorado, and 1997 Cadillac DeVille. However, it is still accessible from the selected car via links, so may be relevant.
BCM COMMUNICATION PROBLEMS
| Affected System | Perform Test |
|---|---|
| Class 2 Serial Data Line | Class 2 Serial Data Line System Check |
| Scan Tool Communications | Chart A, Scan Tool Will Not Communicate |
BCM DTC DEFINITION
| Code No. | Circuit Affected |
|---|---|
| U1016 | Loss Of Serial Communications - PCM |
| U1088 | Loss Of Serial Communications - SIR |
| U1096 | Loss Of Serial Communications - IPC |
| U1153 | Loss Of Serial Communications - CCP |
| U1169 | Loss Of Serial Communications - MMM |
| U1255 | Class 2 Initialization Error |
| U1300 | Class 2 Short To Ground |
| U1301 | Class 2 Short To Voltage |
| B0532 | Fuel Level Sender Short To Ground |
| B0533 | Fuel Level Sender Short To Voltage |
| B1552 | Loss Of PZM Keep Alive Memory (KAM) |
| B1556 | PZM EEPROM Write Error |
| B1558 | PZM EEPROM Checksum Error |
| B1970 | Exterior Light Power Fault |
| B1971 | Inadvertent Power Fault |
| B1972 | Low Power Control Fault |
| B1973 | High Power Control Fault |
| B1981 | Battery Voltage Too Low |
| B1982 | Battery Voltage Too High |
| B1983 | Source Voltage Too Low |
| B2470 | Daytime Running Lights Fault |
| B2471 | Interior Lights Fault |
| B2472 | Low Beam Output Fault |
| B2473 | High Beam Output Fault |
| B2476 | Parking Lights Output Fault |
| B2477 | Reverse Relay Shorted To Ground |
| B2478 | Reverse Relay Shorted To Voltage |
| B2502 | Park Relay (BTSI) Shorted To Ground |
| B2503 | Park Relay (BTSI) Shorted To Voltage |
| B2550 | Storage Mode Entered |
| B2719 | UTD - Trunk Tamper Switch Fault |