b2179 front wiper select switch a short to ground

B2179 Front Wiper Select Switch A Short to Ground

Definition: This diagnostic trouble code (DTC) indicates a short circuit to ground in the front wiper select switch circuit. The vehicle’s onboard diagnostics have detected an electrical fault that prevents the proper operation of the front windshield wipers.

B2179 – Front Wiper Select Switch A Short to Ground
Severity: Moderate

Common Causes

b2179 front wiper select switch a short to ground

Common causes:

• Faulty front wiper select switch
• Short circuit in the wiring harness
• Corrosion or poor connection in the switch circuit

 

Common Misdiagnosis

OBD2 Code: B2179

Description: Front Wiper Select Switch A Short to Ground

Common Misdiagnosis: Replacing the wiper motor or switch without checking for wiring issues or a short circuit in the harness.

 

Common Diagnostic Steps

OBD2 Code: B2179
Description: Front Wiper Select Switch A Short to Ground

• Check the front wiper select switch for any physical damage or signs of wear.
• Inspect the wiring harness connected to the front wiper select switch for any signs of chafing, breaks, or corrosion.
• Test the continuity of the wires from the front wiper select switch to ensure there is no short to ground.
• Examine all related fuses and relays associated with the front wiper system for proper operation.
• If equipped, use a scan tool to monitor live data from the front wiper select switch circuit and check for anomalies.
• If necessary, replace any damaged components such as wires, connectors, or the switch itself.