In this guide, you will learn about OBD2 code P1057.

Code P1057 is a manufacturer-specific fault code. It means different things in different car makes. On Volkswagen and Audi code P1057 means a short exists for Bank 1 Camshaft Adjustment or sensor has Open Circuit.

Camshaft Position Sensor P1057
Location of Camshaft Adjustment Sensor on a 2016 Volkswagen Jetta with 1.4T engine. 

 

Symptoms

The first symptom of a faulty camshaft adjustment sensor is that the check engine light comes on and in certain cases vehicle may go in limp mode. 

  • Engine Light ON /  Service Engine Soon Warning Light)
  • Reduced power
  • Limp home 
  • Transmission stuck in gear

Possible Causes

VW Audi Camshaft Adjustment Short

 

  • Faulty Camshaft Actuator
  • Camshaft Actuator harness is open or shorted
  • Camshaft Actuator circuit poor, corroded or damaged connection

P1057 Meaning by Make

  • Volkswagen - Bank 1 Camshaft Adjustment Short To Open Circuit (Volkswagen)
  • Audi - Bank 1 Camshaft Adjustment Short To Open Circuit (Audi)
  • BMW / Mini - Post catalytic convertor fuel trim (FT), bank 1 – too lean (BMW)
  • Dodge - Heated oxygen sensor (H02S) 2, bank 1 circuit high (Dodge)
  • Freightliner / Sprinter - Heated oxygen sensor (H02S) 2, bank 1 circuit high (Freightliner)

Replacing the Camshaft Adjustment on a Volkswagen or Audi is very simple. Unplug the electrical connector. Remove the torx bolt. Remove and replace the sensor. Make sure to lock the electrical connector. 

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