Back to 2011 Audi A3

2011 AUDI A3

2.0L TDI I4FWDAUTOMATICdieselturbo
4 active safety recalls on this vehicle — view recalls
Repairs0Labor479Torque4942Fluid6DTC767Battery0Maintenance0Recalls4
P0327moderate severityPowertrain

Knock Sensor 1 Circuit Low Input Bank 1

on 2011 Audi A3 2.0L TDI I4 · FWD

What this code means

Low voltage from knock sensor 1, Bank 1.

Symptoms

  • Check Engine Light
  • Reduced power

Common causes

  • Open circuit
  • Faulty sensor
  • Loose connector

Diagnostic steps

  1. Test voltage
  2. Check wiring
  3. Verify connector

Repair notes

Repair or replace sensor.

Other Powertrain codes on this vehicle

Building an app?
Free API access to all this data — 50 requests/day, no card required.
Get an API key →
Run a shop?
Manage repairs, estimates, and customers with ShopBase — $249/mo, all features included.
Try ShopBase →