P001B OBD II Trouble Code A Camshaft Profile Control Circuit Low Bank 1

How to quickly diagnose, repair, and info on symptoms and causes of a P001B DTC code that indicates a low voltage condition in the A camshaft profile control circuit on bank .

Symptoms of P001B OBD II Trouble Code

  • Low power
  • Poor driveability
  • Reduced fuel economy
  • Abnormal throttle response
  • General reduction in efficiency
  • Altered power bands

Common Causes of P001B OBD II Trouble Code

  • Lack of oil maintenance
  • Incorrect oil
  • Contaminated oil
  • Defective oil solenoid
  • Stuck valve
  • Broken wire
  • Electrical short (internal or mechanical)
  • ECM (Engine Control Module) issue

Severity of P001B OBD II Trouble Code

Severity is set to medium. That said, this is a general guide. Depending on your particular symptoms and faults, the severity will vary significantly. Generally speaking though, any hydraulic issue or anything to do with internal engine systems, I tend to recommend repairing the issue as soon as possible. Not really an area of the vehicle you want to neglect, so get it diagnosed and repaired, by a professional if you have to!