In this guide, you will learn about OBD2 code P1057.
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Code P1057 is a manufacturer-specific fault code. It means different things in a different car makes. On Volkswagen and Audi, code P1057 means a short exists for Bank 1 Camshaft Adjustment, or sensor has Open Circuit.
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)
Transmission stuck in gear.
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.
I have been working on vehicles for over 20 years. In 2016, I decided to start YOUCANIC so that I can empower vehicle owners all over the world. Currently, I hold an ASE certification on G1 Automotive Maintenance and Light Repair.