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HOMESERVICE MANUALSAUDI2009A6 BASEREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 12 (2.0L - TURBO GENERIC SCAN TOOL - MOTRONIC FUEL INJECTION SYSTEM, IGNITION SYSTEM, ENGINE CODE: BPG)38 AUTOMATIC TRANSMISSION - GEARS, HYDRAULIC CONTROLSELECTRICAL COMPONENTS FOR REGULATING TRANSMISSION O9L, CHECKINGMULTI-FUNCTION TRANSMISSION RANGE (TR) SWITCH, CHECKING
2009 Audi A6 Base

Multi-Function Transmission Range (TR) Switch, checking

2009 Audi A6 BaseSECTION Multi-Function Transmission Range (TR) Switch, checking
WARNING: This page is about a different car, the 2007 Audi A4, 2006 Audi A4, and 2005 Audi A4. However, it is still accessible from the selected car via links, so may be relevant.
NOTE:
  • The Multi-Function Transmission Range (TR) Switch F125 is a component of the Mechatronic unit in the transmission.

Requirements 

  • Control Module with indicator unit in the Instrument Cluster Control Module J285 must be OK.
  • The battery voltage must be at least 12.5 Volts.
  • All electrical consumers must be switched off.
  • The parking brake must be engaged.
  • The elector lever must be in the "P" position.
  • The Ground (GND) connections to transmission must be OK.

Test sequence 

  • Switch the ignition on.
  • Depress the brake pedal and maintain depressed.
  • Shift the selector lever into all positions.

The selector lever position must correspond to the display of the Control Module with the indicator unit in the Instrument Cluster Control Module J285.

  • Switch the ignition off.
Fig 1: Disconnecting Electrical Harness Connector On Transmission
GW00017900Courtesy of VOLKSWAGEN UNITED STATES, INC.

If the selector lever position does not correspond to the display of the Control Module with indicator unit in the Instrument Cluster Control Module J285:

  • Disconnect the electrical connector in the - direction of the arrow  - and remove it from the Transmission Control Module (TCM) J217.
  • Observe safety precautions.
  • Check the electrical harness connector for contact corrosion and ingress of water.

If the electrical harness connector is not OK:

  • Repair the malfunction and repeat the test sequence.

If the electrical harness connector is OK:

  • Check the wiring according to the wiring diagram:

If no malfunctions are found in the wiring:

NOTE:
  • The Transmission Control Module (TCM) J217 is a component of the Mechatronic unit and cannot be replaced separately.

Final procedures 

  1. Check the DTC memory..
  2. If necessary, erase DTC memory of the Transmission Control Module (TCM) J217..
  3. Generate readiness code..
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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.