Passat Sedan L4-2.0L Turbo (BPY) (2007)
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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.