Source-backed diagnostic reference

P0901 EV diagnostic code

Clutch master cylinder failure, Clutch solenoid failure, Transmission Control Module (TCM) failure

Reference status: This page preserves source-backed code definitions for discovery. Manufacturer/model applicability, repair steps and safety conclusions are not treated as verified unless a manufacturer-specific verified report is available.

Reference definitions

AUDI: Clutch master cylinder failure, Clutch solenoid failure, Transmission Control Module (TCM) failure Source
GENERIC: Clutch A Actuator Control Circuit Range/Performance Source
GENERIC: Clutch Actuator Circuit Range/Performance Source

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