Transmission Speed Sensor, Checking

Diagnostic Procedures


Transmission Speed Sensor, Checking

Special tools, testers and auxiliary items required

• Multimeter (VAG1526) or Multimeter (VAG1715)

• Connector test kit (VAG1594)

• Wiring diagram

Test requirements

• Respective fuses in fuse box must be OK:

• Battery voltage must be at least 11.5 volts.

• Ground (GND) connections to transmission must be OK.

• Selector lever must be in P position.

• Ignition switched off.

Checking wires to Transmission Control Module (TCM)

- Connect test box to control module wiring harness , connect test box for wiring test.

- Disconnect 8-pin harness connector (arrow - 3 -).





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





Terminal 3 + socket 51

Terminal 4 + socket 39

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 Sensor for transmission RPM (G182).

Final Procedures

After the repair work, the following work steps must be performed in the following sequence:

1. Check the DTC memory. Refer to --> [ Diagnostic Mode 03 - Read DTC Memory ] Diagnostic Modes 01 - 09.

2. If necessary, erase the DTC memory. Refer to --> [ Diagnostic Mode 04 - Erase DTC Memory ] Diagnostic Modes 01 - 09.

3. If the DTC memory was erased, generate readiness code. Refer to --> [ Readiness Code ] Readiness Code.