P1653 OBD Code Definition:
Oil Level Lamp Control Circuit
P1653 OBD Code Description:

Possible Symptoms

• Malfunction Indicator Light (MIL) ON

Possible Causes

• Fault Code / Diagnostic Trouble Code stored in Brake Electronics Control Module

Possible Solutions

• Check Brake Electronics Control Module for Fault Codes
  • VCDS > Select > 03 – Brake Electronics > Fault Codes – 02

Tech Notes

• A Fault Code stored in one Module may influence other Modules as well, if a Control Module requires certain Information/Signals and the sending Module/Component is faulty it may store this Code.