Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
2012 Hyundai Tucson FWD L4-2.4LFACTORY OEM SERVICE PROCEDURE
Repair Procedures
Removal
PDM(Power Distribution Module)
1. Disconnect the negative(-) battery terminal.
2. Remove the main crash pad.
3. Remove the power distribution module (A) after loosening bolts (2EA).
PDM(Power Distribution Module) Relay
1. Remove the negative(-) battery terminal.
2. Remove the front seat heater switch module.
3. After removing the bolts (2EA) and connector, remove PDM relay box (A).
Inspection
PDM Diagnosis With GDS
1. It will be able to diagnose defects of Smart key with GDS quickly. GDS can operates actuator forcefully, input/output value monitoring and self diagnosis.
2. Select model and "Smart key system(Button start)" menu if you want to check PDM.
3. Select "PDM" in the manu.
4. Select "Current Data", if you want to check current data of PDM.
It provides the input/output status of each module.
5. If you want to check PDM data operation forcefully, select "Actuation test".
Installation
PDM(Power Distribution Module)
1. Install the power distribution module.
2. Install the main crash pad.
3. Install the negative(-) battery terminal.
PDM(Power Distribution Module) Relay
1. Install the power distribution module relay box.
2. Install the front seat heater switch assembly.
3. Install the negative(-) battery terminal.
Factory Service Tools
Use the Manual With the Right Hardware
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.