AutoCodes – Oldsmobile – B1910 Oldsmobile

B1910 Oldsmobile Code - Generator L Terminal Open Circuit

Quick Answer

Generator grounds circuit when the ignition switch is in the RUN position and engine speed is less than 400 RPM. Common causes include Faulty Generator (Alternator), Generator harness is open or shorted, Generator 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: B1910 Oldsmobile indicates Generator L Terminal Open Circuit.
Common causes: Common causes include Faulty Generator (Alternator), Generator harness is open or shorted, Generator 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 1,723

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 Jul 27, 2019

Description
Possible Causes
How To Fix
Cost to Diagnose
FAQs
Comments
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Code B1910 Oldsmobile Description

Generator grounds circuit when the ignition switch is in the RUN position and engine speed is less than 400 RPM. The Diagnostic Trouble Code (DTC) B1910 will set when the Instrument Panel Cluster (IPC) determines that engine speed is less than 400 RPM and senses a high voltage (open) in the generator.

OBDII Code B1910 Oldsmobile - Generator L Terminal Open Circuit - AutoCodes.com — B1910 Oldsmobile Code - Generator L Terminal Open Circuit

What does this mean?

What are the Possible Causes of the DTC B1910 Oldsmobile?

Faulty Generator (Alternator)
Generator harness is open or shorted
Generator circuit poor electrical connection

How to Fix the DTC B1910 Oldsmobile?

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 B1910 Oldsmobile 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 B1910 Oldsmobile code?

Need more information on how to fix the B1910 Oldsmobile code? Get Access to Factory Service Manuals

Need Help with the Code?

Get the B1910 Oldsmobile code diagnosed by a professional: Find a repair shop in your area

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.

Frequently Asked Questions about B1910 Oldsmobile Code

1. What are the common symptoms of OBDII code B1910 in an Oldsmobile related to Generator L Terminal Open Circuit?

- The common symptoms include issues with charging the battery, dimming or flickering lights, and the battery warning light illuminating on the dashboard.

2. What causes the Generator L Terminal Open Circuit code B1910 in an Oldsmobile?

- This code is typically triggered by a break or disconnection in the wiring between the generator and the powertrain control module (PCM).

3. How can I diagnose the Generator L Terminal Open Circuit issue in my Oldsmobile?

- You can use a multimeter to test the continuity of the wiring between the generator and the PCM, checking for any breaks or loose connections.

4. Is it safe to continue driving my Oldsmobile with the B1910 code?

- It is not recommended to drive the vehicle with this code, as it can lead to battery draining and potential stalling of the vehicle.

5. Can I repair the Generator L Terminal Open Circuit issue in my Oldsmobile myself?

- If you have experience with automotive electrical systems, you may be able to repair the issue by locating and fixing the wiring fault. Otherwise, it's best to consult a professional mechanic.

6. How much does it typically cost to repair the B1910 code in an Oldsmobile?

- The cost of repair can vary depending on the extent of the wiring fault and whether any components need to be replaced. It's advisable to get a quote from a trusted mechanic.

7. Are there any preventive measures to avoid encountering the Generator L Terminal Open Circuit code in my Oldsmobile?

- Regularly inspecting the wiring connections and keeping up with maintenance can help prevent issues that lead to this OBDII code.

8. Can a faulty battery cause the B1910 code to appear in an Oldsmobile?

- While a faulty battery can cause charging issues, the B1910 code is specifically related to an open circuit in the wiring between the generator and PCM.

9. Will resetting the OBDII system clear the B1910 code temporarily?

- Resetting the system may temporarily clear the code, but it will likely reappear until the underlying issue with the Generator L Terminal Open Circuit is fixed.

10. How urgent is it to address the B1910 code in an Oldsmobile?

- It is important to address this code promptly to avoid potential damage to the vehicle's electrical system and ensure the proper charging of the battery.