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Home >> Audi >> 2018 >> A6 Premium Plus >> Repair and Diagnosis >> External Pages >> Different car >> Section 175 (Power Tilt & Telescopic Steering Column (Diagnostic Codes & Circuit Tests)) >> Power Tilt And Power Telescopic Steering Column System >> DTC B2624: Vehicles Speed Malfunction [08/2013 - ] >> Procedure

DTC B2624: Vehicles Speed Malfunction [08/2013 - ]: Procedure

WARNING: This page is about a different car, the 2014 Lexus ES 300h. However, it is still accessible from the selected car via links, so may be relevant.
  1. CHECK OTHER DTC OUTPUT (CAN COMMUNICATION SYSTEM) 
    1. Check for DTCs. Refer to DIAGNOSIS SYSTEM [08/2013 - ] .

      OK

      DTC is not output.

    NG → See step   3 

    OK: Go to next step 

  2. READ VALUE USING TECHSTREAM (FREEZE SPEED INFO) 
    1. Turn the power switch off.
    2. Connect the Techstream to the DLC3.
    3. Turn the power switch on (IG).
    4. Turn the Techstream on.
    5. Check the vehicle speed signal on the Techstream.
    6. Enter the following menus: Body Electrical / Tilt & Telescopic / Data List.
      TILT & TELESCOPIC

      Tester Display Measurement Item/Range Normal Condition Diagnostic Note
      Freeze Speed Info Vehicle speed data/
      Min.: 0 km/h (0 mph)
      Max.: 255 km/h (158 mph)
      Stop → Drive → Stop 0 km/h (0 mph) → Same speed as indicated on speedometer → 0 km/h (0 mph)

      Result

      Result Proceed to
      Values indicated on the Techstream are normal. A
      Values indicated on the Techstream are abnormal. B

      HINT: 

      A vehicle speed of 3 km/h (2 mph) or more may be displayed on the Techstream immediately after the vehicle comes to a sudden stop. This is caused by a delay in vehicle signal received via CAN communication and is not a malfunction.

    B → See step   4 

    A → See step   5 

  3. GO TO CAN COMMUNICATION SYSTEM. Refer to  HOW TO PROCEED WITH TROUBLESHOOTING [08/2013 - ] 
  4. GO TO METER / GAUGE SYSTEM. Refer to  HOW TO PROCEED WITH TROUBLESHOOTING [08/2013 - ] 
  5. REPLACE MULTIPLEX TILT AND TELESCOPIC ECU. Refer to  REMOVAL [08/2013 - ]