P052B OBD II Trouble Code Cold Start A Camshaft Position Timing Over-Retarded Bank 1

How to quickly diagnose, repair, and causes of a P052B diagnostic code which indicates a detected over-retarded camshaft timing condition on a cold start on bank 1.

Symptoms of P052B OBD II Trouble Code

  • Poor engine performance
  • Decreased fuel economy
  • Possible misfire on start-up
  • Cold start issues

Common Causes of P052B OBD II Trouble Code

  • The crankshaft position sensor is faulty
  • The camshaft position sensor is damaged
  • The intake valve timing control solenoid valve is defective
  • The intake valve timing intermediate lock control solenoid valve is flawed
  • The signal pick-up portion of the camshaft has accumulated debris
  • The timing chain is incorrectly installed
  • Foreign matter contaminates the oil groove for intake valve timing control

Severity of P052B OBD II Trouble Code

The P052B code is a problem that should be immediately taken to the mechanic because it is a highly complex, not to mention, severe issue. The ECM is majorly affected with this kind of problem, which is why a technician should take a look at your vehicle if this trouble code or related ones appear. Typically, the ECM has not detected the desired response to a few electronic commands to the VVT and a code has been set.