09G Transmission
Electrical and Electronic Components and Locations
1 Transmission Control Module (J217)
• Control module sends and receives data via CAN-bus.
• Component location, removal and installation, refer to => [ TCM ].
• Can be checked in "Guided Fault Finding" using (VAS 5051).
2 Engine Control Module (ECM)
• Control module sends and receives data via CAN-bus.
• Installed position and removal and installation, refer to
3 Multi-Function Transmission Range Switch (F125)
• Installed location, refer to => [ Multi-Function Transmission Range Switch ].
• Can be checked in "Guided Fault Finding" using (VAS 5051).
• Removal and installation, refer to => [ Multi-Function Transmission Range Switch ] Service and Repair.
• Adjusting, refer to => [ Multi-Function Transmission Range Switch Adjusting ] Adjustments.
4 Valve Body
• Installed location, refer to => [ Valve Body ].
• Components can be checked in "Guided Fault Finding" using the (VAS 5051).
• Allocation, refer to the => electronic parts catalog.
5 Sensor Wiring Harness
• With the transmission fluid temperature sensor (G93).
• Installed location, refer to => [ Sensor Wiring Harness ].
• Removal and installation, refer to => [ Solenoid Valve and Sensor Wiring Harness ] Service and Repair.
• Allocation, refer to the => electronic parts catalog.
6 Transmission Fluid Temperature Sensor (G93)
• Installed location, refer to => [ Sensor Wiring Harness ].
• Can be checked in "Guided Fault Finding" using (VAS 5051).
7 Solenoid Valve Wiring Harness
• Installed location, refer to => [ Solenoid Valve Wiring Harness ].
• Removal and installation, refer to => [ Solenoid Valve and Sensor Wiring Harness ] Service and Repair.
• Allocation, refer to the => electronic parts catalog.
8 Automatic Transmission Hydraulic Pressure Sensor 1 (G193)
• Not installed in all transmissions.
• Allocation, refer to the => electronic parts catalog.
• Installed location, refer to => [ Automatic Transmission Hydraulic Pressure
Sensor 1 and Automatic Transmission Hydraulic Pressure Sensor 2 ].
9 Automatic Transmission Hydraulic Pressure Sensor 2 (G194)
• Not installed in all transmissions.
• Allocation, refer to the => electronic parts catalog.
• Installed location, refer to => [ Automatic Transmission Hydraulic Pressure
Sensor 1 and Automatic Transmission Hydraulic Pressure Sensor 2 ].
10 Transmission Input Speed (RPM) Sensor (G182)
• Removal and installation, refer to => [ Transmission Input Speed Sensor ] Transmission Input Speed Sensor.
• Can be checked in "Guided Fault Finding" using (VAS 5051).
11 Transmission Output Speed (RPM) Sensor (G195)
• Removal and installation, refer to => [ Transmission Output Speed Sensor ] Transmission Output Speed Sensor.
• Can be checked in "Guided Fault Finding" using (VAS 5051).
12 Shift Lock Solenoid (N110)
• Location: Shift lock solenoid is located in the selector mechanism.
• Can be checked in "Guided Fault Finding" using (VAS 5051).
13 Tiptronic Switch (F189)
• Installed location, refer to => [ Tiptronic Switch ].
• Can be checked in "Guided Fault Finding" using (VAS 5051).
14 Power Supply Relay (Terminal 50) (J682)
• In the E-box in the engine compartment, refer to.
15 Data Link Connector (DLC)
• Installed location, refer to => [ Data Link Connector (DLC) ].
16 Transmission Range Display (Y6)
• Installed location, refer to => [ Transmission Range Display ].
TCM
Location: Control module - arrow - is located in the left front wheel housing.
- For removal or installation, wheel housing liner must be removed.
Multi-Function Transmission Range Switch
Location: The multi-function switch is located on the upper side of the transmission.
Valve Body
Location: Valve body is bolted to the underside of the transmission housing and is covered by the transmission oil pan.
Solenoid valves (N88 and N89) as well as pressure control valves (N90, N91, N92, N93, N282 and N283) are secured to the valve body.
Sensor Wiring Harness
• With integrated transmission fluid temperature sensor - arrow -
Location: Wiring harness is secured to the valve body in the transmission.
Solenoid Valve Wiring Harness
Location: Wiring harness is secured to valve body in transmission.
Automatic Transmission Hydraulic Pressure Sensor 1 and Automatic Transmission Hydraulic Pressure Sensor 2
This sensor is not installed in all transmissions.
Location:
The automatic transmission hydraulic pressure sensor 1 - 1 - and the automatic transmission hydraulic pressure sensor 2 are installed in the valve body.
Transmission Input Speed (RPM) Sensor and Transmission Output Speed (RPM) Sensor
Location: inside the transmission housing above the valve body.
1 Transmission Input Speed (RPM) Sensor
2 Transmission Output Speed (RPM) Sensor
Tiptronic Switch
Location: The tiptronic switch is integrated in the shift mechanism.
If the vehicle has a multi-function steering wheel, check the buttons on the steering wheel and the corresponding wire connections.
Data Link Connector (DLC)
Location: DLC - arrow - is located on the left side under the driver side storage compartment.
Transmission Range Display
Location: In the instrument cluster.