Range Rover/ Land Rover/ Jaguar GSM Shifter Won't Raise Up Or Won't Rotate Repair

Identifying the Problem:

The GSM (Gear Shift Module) shifter is a crucial component of your vehicle's transmission system, allowing you to shift gears effortlessly. When it fails to raise up or rotate as expected, it can be frustrating and inconvenient.

Common Issues:

• Shift module knob is stuck in gear and does not move at all
• Vehicle stuck in neutral, shifter rises and falls but blinks neutral
• Vehicle stuck in neutral and shifter knob won’t go up or down
• Shifter will not raise or go in gear
• Shifter will rise, but not able to be turned into gear
• Shifter dial stuck in “D”

One or more of the following diagnostic trouble codes are stored:

• P0850-29 “Park/neutral switch input circuit"
• P176C-11 “Transmission range selector lock. Control fault”
• P1707-22 “Transfer case neutral or park indicator circuit actuator stuck open”
• P2790-64 “Four wheel drive select range”
• U0001-87 “High speed CAN communication bus”
• U0402-64 “Invalid data received from transmission control module"

Repair Solutions:

1. Mechanical Adjustments: In many cases, GSM shifter issues can be resolved through simple mechanical adjustments. This may involve lubricating the shifter mechanism, tightening loose components, or replacing worn-out parts to restore proper functionality.

2. Electrical Repairs: If the problem lies with the electrical components of the GSM shifter, such as the shift position sensor or wiring harness, electrical repairs may be necessary. This could entail repairing damaged wires, replacing faulty sensors, or recalibrating the electronic components to ensure accurate signal transmission.

3. Software Updates: In some instances, GSM shifter problems may be caused by software glitches or compatibility issues. Performing software updates or reprogramming the vehicle's transmission control module (TCM) can help resolve these issues and restore smooth operation of the shifter.

4. Professional Assistance: For complex GSM shifter issues or if you're unsure about performing repairs yourself, it's best to seek assistance from a qualified automotive technician or specialized repair service. We have the knowledge, tools, and experience to diagnose and repair GSM shifter problems effectively.