Normal Operation and Fault Conditions
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The BJB provides battery and ignition voltage to the TCM. If the system voltage is too low, too high or out of range during the self-test, the following Diagnostic Trouble Codes (DTCs) may set.
DTC FAULT TRIGGER CONDITIONS
| DTC | Description | Fault Trigger Conditions |
|---|---|---|
| P0702 | Transmission Control System Electrical | This DTC sets along with P0882 and P0883. |
| P0882 | TCM Power Input Signal Low | TCM battery voltage is less than 9 volts. |
| P0883 | TCM Power Input Signal High | TCM battery voltage is greater than 18 volts. |
| P0884 | TCM Power Input Signal Intermittent | TCM detects an intermittent input signal fault. |
| P1397 | System Voltage Out Of Self-Test Range | System voltage outside of the self-test range during the KOEO or KOER self-test. |