P0388

Crankshaft Position Sensor B Circuit High

Severity

⚠️ Medium

Can you drive?

Limited driving only, diagnose soon

Approx. repair cost

$33–89 (est.)

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

P0385 P0386 P0387