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Home >> Audi >> 2010 >> S4 Automatic DCT >> Repair and Diagnosis >> External Pages >> Different car >> Section 1159 (EPAS Guided Routine Testing) >> DTC/Symptom Selection >> DTC Index >> DTC U0001: High Speed CAN Communications Bus >> Diagnostic Aids

Diagnostic Aids

WARNING: This page is about a different car, the 2018 Lincoln Navigator. However, it is still accessible from the selected car via links, so may be relevant.

DTC U0001:88 indicates a failure of the HS-CAN which can be due to a circuit failure in the HS-CAN or the PSCM wiring harness.

When this DTC is set, steering assist is reduced but not removed.

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