P1581 OBD Code Definition:
P1581 B Camshaft Position Actuator Control Open Circuit Bank 2
P1581 OBD Code Description:

Possible Symptoms

• Malfunction Indicator Light (MIL) ON

Possible Causes

• Throttle Body Alignment (TBA) not performed
• Throttle Body Malfunction

Possible Solutions

• Perform Throttle Body Alignment (TBA)
• Check Wiring and/or Connector(s) Throttle Body ABC
• Check/Replace Throttle Body
  • Check Measuring Value Block (MVB) 060-064