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Home >> Chrysler >> 2007 >> 300 Base >> Repair and Diagnosis >> Transmission >> Transmission Control Systems >> 42RLE Automatic Transmission - Electrical Diagnostics >> DTC Troubleshooting >> P0882-TCM Power Input Low >> Additional Wiring
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Additional Wiring

For complete wiring diagrams refer to:

SYSTEM WIRING DIAGRAMS for 300.

SYSTEM WIRING DIAGRAMS for Charger.

SYSTEM WIRING DIAGRAMS for Magnum.

The transmission control relay is used to supply power to the solenoid pack when the transmission is in normal operating mode. When the relay is off, no power is supplied to the solenoid pack and the transmission is in Limp-in mode. The relay output is fed back to the PCM. It is referred to as the Trans Relay Output circuit or switched battery. After a controller reset (ignition key turned to the run position or after cranking engine), the controller energizes the relay. Prior to this, the PCM verifies that the contacts are open by checking for no voltage at the transmission control relay outputs (switched battery) terminals. After the relay is energized, the PCM monitors the terminals to verify that the voltage is greater than 3 volts. The MIL illuminates and the transmission will be placed in Limp-in.

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