P1388: Variable Cam Timing Overretarded (Bank #2)

MediumPowertrainValve Timing

What does P1388 mean?

P1388 is a diagnostic trouble code indicating "Variable Cam Timing Overretarded (Bank #2)". This code relates to your vehicle's valve timing and should be diagnosed to determine the root cause. The severity level helps indicate how urgently this should be addressed.

Common causes

  • Faulty valve timing component
  • Wiring or connector issue in the related circuit
  • Failed sensor providing incorrect readings
  • Software/calibration issue requiring ECU update
  • Related component causing secondary fault

What should you do?

Schedule a diagnostic appointment at your earliest convenience. The vehicle is generally safe to drive short distances, but the underlying issue should be addressed to prevent it from worsening.

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Code P1388 can mean different things depending on your vehicle. TorqueBot gives you a diagnosis specific to your make, model, and year.

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Related codes

P1387Variable Cam Timing Solenoid #2 Circuit Malfunction
P1386Variable Cam Timing Overadvanced (Bank #2)
P1385Variable Cam Timing Solenoid B Malfunction
P1384VVT Solenoid A Malfunction