AutoCodes – Generic – B1385

B1385 Code - Oil Level Lamp Circuit Open

Quick Answer

The Powertrain Control Module (PCM) monitors the Oil Level Lamp. Common causes include Faulty Oil Level Lamp, Oil Level Lamp harness is open or shorted, Oil Level Lamp circuit poor electrical connection. Severity is High - diagnose this code as soon as possible. Driving is not recommended if the warning light is flashing, the engine runs poorly, or safety-related symptoms are present.

What it means: B1385 indicates Oil Level Lamp Circuit Open.
Common causes: Common causes include Faulty Oil Level Lamp, Oil Level Lamp harness is open or shorted, Oil Level Lamp circuit poor electrical connection.
Severity: High - diagnose this code as soon as possible.
Can I drive?: Driving is not recommended if the warning light is flashing, the engine runs poorly, or safety-related symptoms are present.

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Code Popularity 9,791

How popular is this code, among other codes? Low

Repair Importance Level

Urgent (Diagnose now) (3 / 3)

Repair Difficulty Level

Advanced (Pro) (3 / 3)

What is this?

Table of contents Created and updated by William Orellana on Mar 20, 2019

Description
Possible Causes
How To Fix
Cost to Diagnose
Comments
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Code B1385 Description

The Powertrain Control Module (PCM) monitors the Oil Level Lamp. The PCM sets the OBDII code when the Oil Level Lamp is not to factory specifications.

OBDII Code B1385 - Oil Level Lamp Circuit Open - AutoCodes.com — B1385 Code - Oil Level Lamp Circuit Open

What does this mean?

What are the Possible Causes of the DTC B1385?

Faulty Oil Level Lamp
Oil Level Lamp harness is open or shorted
Oil Level Lamp circuit poor electrical connection
Faulty Powertrain Control Module (PCM)

How to Fix the DTC B1385?

Review the 'Possible Causes' above and visually examine the corresponding wiring harness and connectors. Check for damaged components and inspect connector pins for signs of being broken, bent, pushed out, or corroded.

What is the Cost to Diagnose the Code?

Labor: 1.0

To diagnose the B1385 code, it typically requires 1.0 hour of labor. Rates vary by location, vehicle, and shop. Many shops charge between $80–$150 per hour; dealerships and metro areas may be higher, independents may be lower.

Need more information about the B1385 code?

Need more information on how to fix the B1385 code? Get Access to Factory Service Manuals

Need Help with the Code?

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Information for Specific Makes

B1385 Buick — Device Ignition START Circuit
B1385 Cadillac — Device Ignition START Circuit
B1385 Chevrolet — Device Ignition START Circuit
B1385 GMC — Device Ignition START Circuit
B1385 Hyundai — Front-Passenger Side Airbag Resistance Circuit Short To Battery
B1385 KIA — Front-Passenger Side Airbag Resistance Circuit Short To Battery
B1385 Pontiac — Device Ignition START Circuit

About the author: William Orellana is a Master Mechanic and Mechanical Engineer with over 30 years of experience diagnosing and repairing vehicles. Learn more about his background.