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.
Symptoms you may notice
- Check engine light (MIL) illuminated on dashboard
- Possible issues with valve timing operation
- Vehicle may enter reduced power mode (limp mode)
Estimated repair cost
Typical range in Australia (parts + labour)
$100 – $600 AUD
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.
Get a diagnosis for YOUR car
Code P1388 can mean different things depending on your vehicle. TorqueBot gives you a diagnosis specific to your make, model, and year.