Wiper Wash/Delay Switch Circuit Malfunction
The B1450 code indicates a fault in the wiper wash/delay switch circuit, specific to Ford vehicles. This code is triggered when the Body Control Module (GEM/SJB) detects an abnormal, missing, or out-of-range signal from the multifunction switch on the steering column that controls the wiper wash and delay functions. The system monitors the resistance or voltage in the delay rotary switch circuit and the wash button circuit to verify proper operation.
1. Commonly Affected Makes
2. Most Common Causes
- Damaged or worn multifunction switch on the steering column
- Open, shorted, or high-resistance wiring in the switch circuit
- Corroded or loose pins in the multifunction switch connector
- Poor ground circuit resistance in the switch circuit
3. Symptoms You Will Notice
- Wiper delay function not working or intermittent
- Windshield washer not activating or working erratically
4. Step-by-Step Diagnosis
Scan for additional codes and check freeze frame data
Inspect the multifunction switch connector for corrosion or damage
Test the switch circuit resistance and voltage per manufacturer specifications
Check for open or short circuits in the wiring harness between the switch and GEM/SJB
If wiring and switch are good, test the GEM/SJB for proper operation
5. Frequently Asked Questions
Is it safe to drive?▼
Yes, it is generally safe to drive, but you may lose wiper delay and washer functions. Avoid driving in rain or conditions requiring wipers.
How much does it cost to fix?▼
Repair costs typically range from $100 to $400, depending on whether the multifunction switch needs replacement ($50-$200) or if the GEM/SJB module is faulty ($200-$400).