volkswagen Workshop Repair Guides

Volkswagen Workshop Service and Repair Manuals

Sensors and Switches - Wheels and Tires > < Vehicle Speed Sensor Signal|Testing and Inspection
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Under address word 33, select "Diagnostic mode 1: Checking measured values."

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Select measuring value "PID 13 ($D): Vehicle speed".

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Perform a road test at a speed above 5 km/h while a 2nd person observes the indication on the display.

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Check specified value of the vehicle speed:

NOTE:  Vehicle speed must not drop to below 5 km/h during test.

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End road test and switch ignition off.

If no speed is indicated:

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Check terminal resistance of CAN-Bus. See: Powertrain Management/Computers and Control Systems/Engine Control Module/Testing and
Inspection/Terminal Resistance For CAN-Bus, Checking

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Erase DTC memory of Engine Control Module (ECM). 

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Generate readiness code. 

Sensors and Switches - Wheels and Tires > < Vehicle Speed Sensor Signal|Testing and Inspection