P1522 OBD Code Definition:
P1522 A Camshaft Position Actuator Bank 2
P1522 OBD Code Description:

Possible Symptoms

• Malfunction Indicator Light (MIL) ON

Possible Causes

• Wiring and/or Connector(s) from/to Camshaft Position Sensor
• Wiring and/or Connector(s) from/to Camshaft Adjuster Unit
• Mechanical failure of Camshaft Adjuster Unit
• Failing Engine Control Module (ECM)

Possible Solutions

• Check Wiring and/or Connector(s) from/to Camshaft Position Sensor
• Check/Replace Camshaft Adjustment Valve Bank 1
  • Perform Output Test/Basic Setting
• Check Wiring and/or Connector(s) from/to Camshaft Adjuster Unit
• Check chain guides of Camshaft Adjuster Unit  for wear