FREE REPAIR MANUALS & LABOR GUIDES 1982-2013 Vehicles
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P0638



SAE VAG Description
P0638 17022 Throttle Actuator Control Range / Performance Bank 1

Throttle Position (TP) sensor and Sender
- Throttle Position (TP) sensor, checking. Throttle Position (TP) Sensor, Checking

Throttle Valve Control Module
- Throttle valve control module, checking. Throttle Valve Control Module, Checking
- Check wiring diagram.