AutoCodes – Lincoln – B1875 Lincoln

B1875 Lincoln Code - Hazard Warning Lamps Are Inoperative/Always On

Quick Answer

The Generic Electronic Module (GEM) sends a voltage reference signal to the hazard switch. Common causes include Faulty Hazard Warning Lamps Switch, Hazard Warning Lamps Switch harness is open or shorted, Hazard Warning Lamps Switch 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: B1875 Lincoln indicates Hazard Warning Lamps Are Inoperative/Always On.
Common causes: Common causes include Faulty Hazard Warning Lamps Switch, Hazard Warning Lamps Switch harness is open or shorted, Hazard Warning Lamps Switch 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 1,046

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 11, 2019

Description
Possible Causes
How To Fix
Cost to Diagnose
FAQs
Comments
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Code B1875 Lincoln Description

The Generic Electronic Module (GEM) sends a voltage reference signal to the hazard switch. When the hazard switch is pressed, the voltage signal is routed to ground. The GEM then provides voltage to all the turn lamps.

OBDII Code B1875 Lincoln - Hazard Warning Lamps Are Inoperative/Always On - AutoCodes.com — B1875 Lincoln Code - Hazard Warning Lamps Are Inoperative/Always On

What does this mean?

What are the Possible Causes of the DTC B1875 Lincoln?

Faulty Hazard Warning Lamps Switch
Hazard Warning Lamps Switch harness is open or shorted
Hazard Warning Lamps Switch circuit poor electrical connection
Faulty Generic Electronic Module (GEM)

How to Fix the DTC B1875 Lincoln?

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 B1875 Lincoln 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.

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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 B1875 Lincoln Code

1. What does the OBDII code B1875 mean on a Lincoln?

The code B1875 indicates an issue with the hazard warning lamps, which may be inoperative or stuck on due to a fault in the circuit or control module.

2. What are the common symptoms of the B1875 code in a Lincoln?

Symptoms may include hazard warning lamps that do not function, hazard lights stuck on continuously, or a malfunction indicator light on the dashboard.

3. What causes the B1875 code to trigger in Lincoln vehicles?

Common causes include a faulty hazard warning switch, damaged wiring or connectors in the hazard lamp circuit, or a malfunctioning body control module (BCM).

4. Can a blown fuse cause the B1875 code in a Lincoln?

Yes, a blown fuse related to the hazard lamp circuit can cause the code, as it interrupts power to the hazard warning system.

5. How can I diagnose the B1875 code in my Lincoln?

Start by inspecting the hazard warning switch, wiring, and fuses. Use a diagnostic scanner to check for additional codes and test the circuit for continuity and voltage.

6. Is the hazard warning switch a common failure point for the B1875 code?

Yes, the hazard warning switch is a frequent culprit, as it directly controls the operation of the hazard lamps.

7. Can the B1875 code be caused by a software issue in a Lincoln?

While less common, a software or programming issue in the body control module (BCM) can cause the code and may require reprogramming or updates.

8. How do I reset the B1875 code in a Lincoln after repairs?

After addressing the issue, use an OBDII scanner to clear the code. If the problem is fixed, the code should not return.

9. Can I drive my Lincoln with the B1875 code active?

While the vehicle is generally safe to drive, the inability to use hazard warning lamps can be a safety concern, especially in emergencies.

10. What is the cost to repair the B1875 code in a Lincoln?

Repair costs vary but may range from $50 to $300, depending on whether the issue is a simple fuse replacement or requires replacing the hazard switch or BCM.