What causes B1075 on a Honda?

Faulty Headlight Switch Headlight Switch harness is open or shorted Headlight Switch circuit poor electrical connection Faulty Body Control Module (BCM) Moisture or corrosion in the switch connector

How do I fix B1075 on a Honda?

Confirm the code with a scan tool and test the headlight switch in each position Inspect the headlight switch, its connector, and the body control module grounds Test the switch continuity and the signal circuit with a multimeter Repair any open or shorted wiring before replacing the switch Replace the headlight switch if it fails testing, then clear codes and retest

B1075 The body control module saw an out of range signal from the headlight switch

Q: What does B1075 mean on a Honda?

B1075. The body control module saw an out of range signal from the headlight switch. The headlights may not switch between low and high beam. Applies to Honda and Acura models that use this code.

Category: Body
Severity: Body Warning Light
Applies to: Honda and Acura models that use this code

What does B1075 mean on a Honda?

B1075. The body control module saw an out of range signal from the headlight switch. The headlights may not switch between low and high beam. This Honda-enhanced code applies to Honda and Acura models that use this code.

Common causes of B1075

Faulty Headlight Switch
Headlight Switch harness is open or shorted
Headlight Switch circuit poor electrical connection
Faulty Body Control Module (BCM)
Moisture or corrosion in the switch connector

How to fix B1075

Confirm the code with a scan tool and test the headlight switch in each position
Inspect the headlight switch, its connector, and the body control module grounds
Test the switch continuity and the signal circuit with a multimeter
Repair any open or shorted wiring before replacing the switch
Replace the headlight switch if it fails testing, then clear codes and retest

Sources and review

Last updated 2026-09-26.