IPC DTC Definitions
NOTE:
Diagnostic Trouble Code (DTC) tests are written specifically for use with GM Tech I or Tech II scan tools. Generic scan tool can be used, but may have limited functions.
IPC DTC DEFINITIONS
| Code No. | Circuit Affected | ||
|---|---|---|---|
| B1556 | IPC EEPROM ODO/Configuration Error | ||
| B1652 | Loss Of Keep Alive Memory (KAM) | ||
| B1656 | EEPROM Write Error | ||
| B1981 | Battery Voltage Low (Engine Running) | ||
| B1982 | Source/Battery Voltage High | ||
| B1983 | Source/Battery Voltage Low | ||
| U1016(1) | Loss Of Communications With PCM | ||
| U1040(1) | Loss Of Communications With ABS | ||
| U1064(1) | Loss Of Communications With DIM | ||
| U1088(1) | Loss Of Communications With SDM | ||
| U1160(1) | Loss Of Communications With DDM | ||
| U1192(1) | Loss Of Communications With VTD | ||
| U1255(1) | Class 2 Initialization Error | ||
| U1300(1) | Class 2 Short To Ground | ||
| U1301(1) | Class 2 Short to Battery | ||
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