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Transmission Hydraulic Pressure Sender, Checking



Sender 1 For Hydraulic Pressure, Automatic Transmission, Checking (Vehicles With 09G Transmission)

Recommended special tools and equipment
- V.A.G 1526 multimeter or V.A.G 1715 multimeter
- V.A.G 1594 connector test kit
- Wiring diagram

Test requirements
- Respective fuses must be OK.
- Battery voltage must be at least 11.5 volts.
- All electrical consumers such as: lights and rear window defroster must be switched off.
- Parking brake must be engaged or else day time driving lights will be switched on.
- Ground (GND) connections to transmission must be OK.
- Selector lever must be in -P- position.
- Ignition switched off.

Test sequence






- Disconnect 8-pin harness connector -1-.

Observe safety precautions.
- Check harness connector for contact corrosion and ingress of water.

If harness connector is not OK:
- Repair the malfunction.
- Erase DTC memory of Transmission Control Module (TCM).
- Generate readiness code.

If harness connector is OK:
- Check wires to Transmission Control Module (TCM) according to wiring diagram.

Checking wires to Transmission Control Module (TCM)
- Connect test box to control module wiring harness.






- Check wires between test box and 8-pin connector to Transmission Control Module (TCM) for open circuit according to wiring diagram.
Wire resistance: max. 1.5 Ohms






- Check wires for short circuit to each other.

Specified value: Infinite Ohms

If no malfunctions are found in wires:
- Replace respective sender for hydraulic pressure.
- Erase DTC memory of Transmission Control Module (TCM).
- Generate readiness code,