Volkswagen Passat 1995 Official Factory Repair Manual page 1575

Diagnostic Trouble Code (DTC) tables:
Speed and idle control
SAE-
DTC
P0501 Vehicle Speed Sensor "A"
Range/Performance
P0506 Idle Air Control System RPM
Lower Than Expected
P0507 Idle Air Control System RPM
Higher Than Expected
P0510 Closed Throttle Position Switch
P0562 System Voltage Low
P0563 System Voltage High
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DTC text Corrective action
- Check speed signal
- Throttle Valve Control Module -J338-,
checking Page 24-36
- Check Transmission Control Module
(TCM) -J217- according to wiring diagram:
Electrical Wiring Diagrams,
Troubleshooting &Component Locations
Page 13 of 41
ST-68
Page 24-106
6/12/2004