Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
2000 Ford Excursion 7.3 F, 4WDFACTORY OEM SERVICE PROCEDURE
Wiper Washer System DTCS
WIPER WASHER SYSTEM DIAGNOSTIC TROUBLE CODE (DTC) LIST
| DTC | Description | Perform Test |
|---|---|---|
| B1240 | Wiper Washer Rear Pump Relay Circuit Relay Failure | K |
| B1241 | Wiper Washer Rear Pump Relay Circuit Short To Battery + | K |
| B1342 | GEM Is Defective | Clear DTCs. Retrieve DTCs. If DTC B1342 is retrieved, replace GEM. See GENERIC ELECTRONIC MODULE |
| B1431 | Run/Park Relay Circuit Failure (Wipers Are Inoperative) |
B |
| B1431 | Run/Park Relay Circuit Failure (Wipers Stay On Continuously) |
C |
| B1432 | Run/Park Circuit Short To Power | B |
| B1434 | High/Low Relay Coil Circuit Failure | D |
| B1436 | High/Low Relay Coil Circuit Short To Power | D |
| B1438 | Wiper Mode Select Switch Circuit Failure (Wipers Are Inoperative) |
B |
| B1438 | Wiper Mode Select Switch Circuit Failure (Both Front And Rear Wipers Are Inoperative) |
L |
| B1441 | Wiper Mode Select Switch Circuit Short To Ground | C |
| B1446 | Wiper Park Sense Circuit Failure (Intermittent Wipers Not Operating Correctly) |
E |
| B1446 | Wiper Park Sense Circuit Failure (Speed Dependent Interval Not Operating Correctly) |
G |
| B1446 | Wiper Park Sense Circuit Failure (Both Front And Rear Wipers Are Inoperative) |
L |
| B1450 | Wiper/Washer Delay Switch Circuit Failure (Intermittent Wipers Not Operating Correctly) |
E |
| B1450 | Wiper/Washer Delay Switch Circuit Failure (Wash & Wipe Functions Not Operating Correctly) |
F |
| B1450 | Wiper/Washer Delay Switch Circuit Failure (Both Front And Rear Wipers Are Inoperative) |
L |
| B1453 | Wiper/Washer Delay Switch Circuit Short To Ground (Wipers Stay On Continuously) |
C |
| B1453 | Wiper/Washer Delay Switch Circuit Short To Ground (Wash & Wipe Functions Not Operating Correctly) |
F |
| B1458 | Wiper/Washer Pump Motor Relay Coil Circuit Failure | F |
| B1460 | Washer Pump Motor Relay Coil Circuit Short To Power | F |
| B1473 | Low Speed Circuit Motor Failure (Wipers Inoperative) |
B |
| B1473 | Low Speed Circuit Motor Failure (Wipers Operating Incorrectly In High Or Low Speed) |
D |
| B1473 | Low Speed Circuit Motor Failure (Intermittent Wiper Speed Operating Incorrectly) |
E |
| B1476 | High Speed Circuit Motor Failure (Wipers Inoperative) |
B |
| B1476 | High Speed Circuit Motor Failure (Wipers Operating Incorrectly In High Or Low Speed) |
D |
| B1476 | High Speed Circuit Motor Failure (Intermittent Wiper Speed Operating Incorrectly) |
E |
| B1611 | Rear Wiper mode Switch Circuit Failure | H |
| B1614 | Rear Wiper Mode Switch Circuit Short To Ground | I |
| B1820 | Rear Wiper Up Relay Circuit Short To Battery Power | H |
| B1839 | Rear Wiper Motor Circuit Motor Failure | H |
| P0500 | Vehicle Speed Signal Malfunction | G |
Factory Service Tools
Use the Manual With the Right Hardware
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.
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