Jeep Grand Cherokee Gear Selector / TCM Repair (2001–2005)

Common Fault: P0702 – Transmission Control System Electrical Fault

This is a repair service for the gear selector / transmission control module (TCM) used in 2001–2005 Jeep Grand Cherokee models. A common issue with these units is the P0702 fault, which indicates a general electrical failure in the transmission control circuit—often caused by internal TCM damage or poor signal output from the selector assembly.

Common Symptoms Repaired:

• P0702 fault code stored in the ECU

• Vehicle stuck in limp mode or not shifting properly

• PRND gear indicator not matching actual gear

• Gear selector appears unresponsive or erratic

• TCM communication issues or voltage drop errors

What We Do:

• Diagnose and repair the internal selector switch or TCM circuitry

• Reflow or replace damaged board-level components

• Restore signal outputs and CAN/voltage regulation as required

• Bench test the selector and transmission signals before return

OEM Part Numbers Supported:

• 52104468AC, 52104468AD, 52104468AE

• 52104468AF, 52104468AG, 52104468AH

• 52104468AI, 52104468AJ

Applies To:

• Jeep Grand Cherokee (2001–2005 models with automatic transmission)

Warranty: 12 months on all repaired electronics