C1873 Air Suspension Right Front Air Spring Solenoid Output Circuit Failure

• OBD2 Code: C1873
• Description: Air suspension right front air spring solenoid output circuit failure.
• Definition: This code indicates a malfunction in the electrical circuit that controls the solenoid for the right front air spring in the vehicle’s air suspension system. The issue could be due to wiring problems, a faulty solenoid, or other related components failing to operate correctly.

c1873 – Air Suspension Right Front Air Spring Solenoid Output Circuit Failure

Typical Severity: Critical

Common Causes

C1873 – Air Suspension Right Front Air Spring Solenoid Output Circuit Failure

Common Causes:

• Faulty right front air spring solenoid
• Short circuit or open circuit in the wiring harness connected to the right front air spring solenoid
• Corrosion or poor connection at the electrical connectors related to the right front air spring solenoid
• Defective air suspension control module

 

Common Misdiagnosis

OBD2 Code: C1873

Description: Air Suspension Right Front Air Spring Solenoid Output Circuit Failure

Common Misdiagnosis: Replacing the air spring solenoid without checking for wiring issues or connector problems.

 

Common Diagnostic Steps

OBD2 Code: C1873

Description: Air Suspension Right Front Air Spring Solenoid Output Circuit Failure

• Inspect the air suspension solenoid wiring and connectors for damage or corrosion.
• Check the air spring solenoid for proper operation using a multimeter to test resistance and continuity.
• Verify that the air suspension control module is functioning correctly by checking for additional fault codes.
• Ensure that the vehicle’s battery voltage is within specifications, as low voltage can affect system performance.
• If applicable, perform a recalibration of the air suspension system using an appropriate scan tool.
• Replace any damaged components such as wiring, connectors, or the solenoid itself if necessary.