P1388
Variable Cam Timing Over Retarded Bank 2
P1388 is an OBD-II diagnostic trouble code meaning: Variable Cam Timing Over Retarded Bank 2. Common causes: contaminated or insufficient engine oil pressure, vvt solenoid valve malfunction. Estimated repair cost: $17–133.
Symptoms
- Reduced engine power
- Increased fuel consumption
- Rough engine operation
- Check Engine Light Illuminates
- Deterioration in acceleration dynamics
Causes
- Contaminated or insufficient engine oil pressure
- VVT solenoid valve malfunction
- Mechanical wear of the VVT mechanism
- Problems with camshaft position sensors
- Open or short circuit in VVT control circuit
How to Fix
- Check the level and condition of the engine oil
- Diagnose oil pressure in the system
- Check the operation of the VVT solenoid valve
- Investigate the mechanism for changing timing timing for wear
- Check the integrity of the control circuit and sensors
Related codes
Error P1388 by Vehicle Brand
FAQ
What does the P1388 code mean?
P1388 is an OBD-II diagnostic trouble code that indicates: Variable Cam Timing Over Retarded Bank 2
What causes a P1388 error code?
The most common causes of P1388 include: Contaminated or insufficient engine oil pressure; VVT solenoid valve malfunction; Mechanical wear of the VVT mechanism; Problems with camshaft position sensors.
How do I fix a P1388 diagnostic trouble code?
To fix P1388: Check the level and condition of the engine oil. Diagnose oil pressure in the system. Check the operation of the VVT solenoid valve. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with P1388?
Limited driving only, diagnose soon
How much does it cost to fix P1388?
The estimated repair cost for P1388 is $17–133. Actual cost depends on your vehicle, location, and labor rates.
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