u1184 invalid or missing data for window wiper washer

OBD2 Code: U1184

Description: Invalid or Missing Data for Window Wiper Washer

Definition: This code indicates that the vehicle’s control module has detected a communication issue with the window wiper washer system. The data received from the system is either invalid or missing, which can affect the operation of the windshield wipers and washers.

Typical Severity: Medium

Common Causes

– Faulty wiper washer switch
– Broken or disconnected wiring in the wiper washer system
– Defective wiper washer pump

Common Misdiagnosis

OBD2 Code: U1184
Description: Invalid or Missing Data for Window Wiper Washer
Common Misdiagnosis: Faulty wiper motor, defective washer pump, or incorrect wiring connections.

Common Diagnostic Steps

OBD2 Code: U1184 – Invalid or Missing Data for Window Wiper Washer

• Check the vehicle’s battery voltage and ensure it is within the specified range.
• Inspect the wiring harness and connectors related to the window wiper washer system for any signs of damage, corrosion, or disconnection.
• Use a scan tool to check for any additional trouble codes that might be present and address them as necessary.
• Verify the integrity of the communication lines (CAN bus) between control modules involved in the window wiper washer operation.
• Test the functionality of the window wiper washer switch and relay to ensure they are operating correctly.
• If applicable, update or reprogram any relevant control module software using manufacturer-specific procedures.
• Consult service manuals or technical bulletins for specific diagnostic procedures related to this code on your vehicle model.