The P0368: Camshaft Position Sensor ‘B’ Circuit High (Bank 1) code indicates that the engine control module (ECM) is receiving a higher-than-expected signal from camshaft position sensor B on bank 1. This sensor is responsible for monitoring the camshaft’s position, helping the ECM manage engine timing and fuel injection. A high input signal from the sensor could result from a faulty sensor, wiring issues, or circuit problems.
P0368 – Quick Overview
Meaning | P0368: Camshaft Position Sensor ‘B’ Circuit High (Bank 1) |
Is it serious? | Yes, this code can cause improper engine timing, leading to misfires, poor performance, or even engine damage if left unresolved. |
Possible causes | – Faulty camshaft position sensor B – High input signal – Circuit issues |
How to diagnose? | – Test sensor input – Inspect circuit and wiring – Replace sensor if needed |
P0368 Meaning
The P0368: Camshaft Position Sensor ‘B’ Circuit High (Bank 1) code means that the ECM is receiving a higher-than-expected signal from camshaft position sensor B in bank 1. The camshaft position sensor plays a crucial role in providing the ECM with information needed for proper timing and fuel injection. A high input signal may lead to timing miscalculations, resulting in performance issues such as misfires, rough idle, or stalling.
Step-by-step diagnostic guide
Follow these steps to diagnose and resolve the P0368 code by addressing potential causes one by one.
Action | Description | Tools Needed |
---|---|---|
Check for Other Codes | Use an OBD-II scanner to check for any additional related codes that may give more insight into the issue. | OBD-II Scanner |
Inspect Camshaft Position Sensor B | Visually inspect the sensor for signs of damage, wear, or loose connections. Ensure it is securely mounted and connected properly. | Flashlight, Safety Gloves |
Test Camshaft Position Sensor Input Signal | Use a multimeter to test the input signal from camshaft position sensor B. Compare the readings to the manufacturer’s specifications to ensure the sensor is operating within range. | Multimeter, Manufacturer’s Specifications |
Inspect Circuit and Wiring | Check the wiring and circuit connected to camshaft position sensor B for any signs of damage, corrosion, or poor connections. Repair or replace faulty wiring or connectors. | Flashlight, Wiring Repair Kit |
Replace the Sensor if Necessary | If the sensor is providing incorrect or high input signals, replace it with a new one to restore proper function. | Replacement Camshaft Position Sensor, Safety Gloves |
Clear the Code and Test Drive | After completing repairs, clear the P0368 code using an OBD-II scanner. Test drive the vehicle to ensure the issue is resolved. | OBD-II Scanner, Vehicle Owner’s Manual |
Recheck for Codes | After the test drive, re-scan the vehicle to confirm that the P0368 code has not returned. If it reappears, further diagnosis may be required. | OBD-II Scanner |
This diagnostic guide will help you accurately diagnose and resolve the P0368 code, ensuring that camshaft position sensor B on bank 1 provides the correct input signal to maintain proper engine timing and performance.

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Hi, I am Juraj “Yuri” Lukacko. I got frustrated by unhelpful and scammy mechanics, so I decided to learn everything about car diagnostics myself. I test dozens of new car diagnostic tools every month along with learning new strategies to fix and customize cars. About Juraj Lukacko (Yuri)