Wiper Brake/Run Relay Circuit Short To Ground
13 articles · 1 makes affected
What is B1433?
B1433 indicates a short to ground in the wiper brake/run relay circuit, affecting the windshield wiper system's ability to properly park or operate. This is a high-severity issue because it can cause wipers to stop unexpectedly or fail to return to their resting position, creating a safety hazard. Based on real data, this code primarily appears in 2019-2020 Ford F-150 trucks, often around 55,000 miles.
Common Causes
- ●Electrical short in the wiper relay circuit (reported in 64% of cases, specifically in 2019-2020 Ford F-150 models)
- ●Faulty wiper motor or relay assembly
- ●Damaged wiring or connectors in the wiper system
Symptoms You May Notice
- ●Windshield wipers failing to park properly after use
- ●Wipers stopping mid-operation or becoming inoperative
- ●SYNC 3 infotainment system reboot issues (mentioned in 23% of owner reports)
How to Fix It
- ●Perform a SYNC 3 master reset to clear electrical glitches ($0, easy difficulty - reported as successful in 23% of cases)
- ●Replace wiper relay or motor assembly ($20-$100, moderate difficulty - average repair cost $61)
- ●Repair or replace damaged wiring in the wiper circuit
Owner Statistics
Based on 6,313 real owner discussions • 379 confirmed solutions
About This Data
Statistics are aggregated from real owner discussions on Reddit, automotive forums, and YouTube comments. All data is anonymized and represents actual repair experiences reported by vehicle owners.
Frequently Appears With
These codes often appear together in owner reports. Check these if you see B1433.
Based on analysis of 24 owner reports where multiple codes appeared together.