Jetta V6-2.8L (BDF) (2002)
If indicated voltage does not oscillate:
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Remove instrument cluster:
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Check wire connection from Engine Control Module (ECM) to Speedometer -G21- according to wiring diagram.
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Erase DTC memory of Engine Control Module (ECM), Diagnostic mode 4: Reset/erase diagnostic data.
See: Computers and Control Systems/Testing and Inspection/Scan Tool Testing and Procedures/With Generic Scan Tool/Diagnostic Mode 4:
Reset/Erase Diagnostic Data
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Generate readiness code.
See: Computers and Control Systems/Testing and Inspection/Monitors, Trips, Drive Cycles and Readiness Codes