P1385: Variable Cam Timing Solenoid B Malfunction

HighPowertrainValve Timing

What does P1385 mean?

P1385 is a diagnostic trouble code indicating "Variable Cam Timing Solenoid B Malfunction". A component in the valve timing has been flagged as malfunctioning by the vehicle's ECU. This requires diagnosis to determine whether the part itself has failed or if there is a related wiring or control issue.

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?

This is a significant issue that should be diagnosed and repaired soon. Avoid long trips or heavy driving until the problem is resolved. Continued driving may cause additional damage.

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Code P1385 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

P1384VVT Solenoid A Malfunction
P1386Variable Cam Timing Overadvanced (Bank #2)
P1383Variable Cam Timing Overretarded (Bank #1)
P1387Variable Cam Timing Solenoid #2 Circuit Malfunction