B1384 – Oil Level Lamp Circuit Failure

The ODBII code B1384 indicates a malfunction in the oil level lamp circuit, which may involve issues with the sensor, wiring, or the instrument cluster related to the oil level warning light.

The severity of ODBII code B1384 Oil Level Lamp Circuit Failure is moderate.

Common Causes For: B1383 Oil Level Lamp Circuit Short To Battery

• Faulty oil level sensor
• Damaged wiring or connectors
• Short circuit in the oil level lamp circuit
• Open circuit in the oil level lamp circuit
• Malfunctioning engine control module (ECM)
• Poor ground connection
• Corroded terminals or connectors

Common misdiagnosis for B1384 Oil Level Lamp Circuit Failure

• Faulty oil level sensor
• Wiring issues or shorts in the circuit
• Malfunctioning engine control module (ECM)
• Incorrect oil level readings due to oil contamination
• Faulty dashboard indicator or gauge
• Issues with the vehicle’s electrical system
• Problems with the oil pressure sensor
• Software glitches in the vehicle’s computer system

Common Troubleshooting Steps

The OBD-II code B1384 refers to an issue with the oil level lamp circuit, indicating that there is a malfunction in the system that monitors the oil level in the engine. Here are some common troubleshooting steps to diagnose and potentially resolve this issue:

• Check the Vehicle’s Manual: Refer to the vehicle’s service manual for specific information regarding the oil level lamp circuit and any related components.
• Visual Inspection:
• Inspect the wiring and connectors associated with the oil level sensor and the oil level lamp. Look for signs of damage, corrosion, or loose connections.
• Check the oil level sensor itself for any physical damage.
• Check Oil Level:
• Ensure that the engine oil level is within the recommended range. Low oil levels can sometimes trigger warning lights or codes.
• Test the Oil Level Sensor:
• Use a multimeter to test the resistance of the oil level sensor. Compare the readings to the specifications in the service manual.
• If the sensor is faulty, it may need to be replaced.
• Inspect the Oil Level Lamp Circuit:
• Check for continuity in the wiring between the oil level sensor and the instrument cluster. Look for any breaks or shorts in the wiring.
• Test the oil level lamp itself to ensure it is functioning properly.
• Scan for Additional Codes:
• Use an OBD-II scanner to check for any additional trouble codes that may provide more context or indicate related issues.
• Clear the Codes:
• After performing any repairs or replacements, clear the trouble codes using an OBD-II scanner and see if the code returns after a test drive.
• Check for Ground Issues:
• Ensure that the ground connections for the oil level sensor and the instrument cluster are secure and free of corrosion.
• Consult Technical Service Bulletins (TSBs):
• Look for any TSBs related to the oil level lamp circuit for your specific vehicle make and model, as there may be known issues or recalls.
• Professional Diagnosis:
• If the issue persists after performing the above steps, consider seeking help from a professional mechanic or dealership for a more in-depth diagnosis. By following these steps, you should be able to identify and resolve the issue related to the B1384 code.