For 1990-2009 cars only
DTC B1000 IPC Malfunction
Circuit Description
The instrument cluster performs an internal test in order to determine the integrity of the instrument cluster.
Conditions for Setting the DTC
The DTC sets under any of the following conditions:
| • | The internal supply voltage is out of range for more than 10 seconds. |
| • | An EEPROM checksum error exists. |
Action Taken When the DTC Sets
The SERVICE VEHICLE SOON indicator turns ON.
Conditions for Clearing the DTC
| • | Under all fault conditions, the ignition switch must be cycled from ON to OFF, and back to ON before this DTC can change from current to history. |
| • | A history DTC will clear if the condition for this DTC is no longer present after 100 drive cycles. |
| • | Use a scan tool. |
Diagnostic Aids
Since DTC B1000 is an internal instrument cluster malfunction, replace the instrument cluster.
Step | Action | Value(s) | Yes | No |
|---|---|---|---|---|
1 | Was the instrument cluster system check performed? | -- | Go to Step 2 | Go to Instrument Cluster System Check |
2 | Replace the instrument cluster. Refer to Instrument Cluster Replacement . Is the repair complete? | -- | Go to Instrument Cluster System Check | -- |
