P0388
Crankshaft Position Sensor B Circuit High
P0388 is an OBD-II diagnostic trouble code meaning: Crankshaft Position Sensor B Circuit High. Common causes: faulty dpkv b, open or short circuit in wiring harness. Estimated repair cost: $33–89.
Symptoms
- Unstable engine operation
- Difficulty starting
- Power dips
- Check Engine Light Is On
Causes
- Faulty DPKV B
- Open or short circuit in wiring harness
- Poor contact in the sensor connector
- Problems with the engine ECU
How to Fix
- Check the integrity of the wiring harness and connectors
- Measure the resistance and voltage of the sensor
- If necessary, replace DPKV B
- Clear the error and test drive to check
Related codes
Error P0388 by Vehicle Brand
FAQ
What does the P0388 code mean?
P0388 is an OBD-II diagnostic trouble code that indicates: Crankshaft Position Sensor B Circuit High
What causes a P0388 error code?
The most common causes of P0388 include: Faulty DPKV B; Open or short circuit in wiring harness; Poor contact in the sensor connector; Problems with the engine ECU.
How do I fix a P0388 diagnostic trouble code?
To fix P0388: Check the integrity of the wiring harness and connectors. Measure the resistance and voltage of the sensor. If necessary, replace DPKV B. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with P0388?
Limited driving only, diagnose soon
How much does it cost to fix P0388?
The estimated repair cost for P0388 is $33–89. Actual cost depends on your vehicle, location, and labor rates.
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