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.
2001 Ford Explorer ChassisFACTORY OEM SERVICE PROCEDURE
Wiper/Washer System DTCS
WIPER/WASHER SYSTEM DIAGNOSTIC TROUBLE CODE (DTC) IDENTIFICATION
| DTC | Description | Test |
|---|---|---|
| B1342 | GEM/CTM Is Defective | Clear DTCs. Retrieve DTCs. If DTC B1342 is retrieved, replace GEM/CTM. |
| B1431 | Wiper Brake/Run Relay Circuit Failure | Diagnose By Symptom. See SYMPTOM TEST INDEX under SYSTEM TESTS . |
| B1432 | Wiper Brake/Run Relay Short To Power | A |
| B1434 | Wiper Hi/Low Speed Relay Circuit Failure | Diagnose By Symptom. See SYMPTOM TEST INDEX under SYSTEM TESTS . |
| B1436 | Wiper Hi/Low Speed Relay Circuit Short To Power | C |
| B1438 | Wiper Mode Select Switch Circuit Failure | Diagnose By Symptom. See SYMPTOM TEST INDEX under SYSTEM TESTS . |
| B1441 | Wiper Mode Select Switch Input Short To Ground | Diagnose By Symptom. See SYMPTOM TEST INDEX under SYSTEM TESTS . |
| B1446 | Wiper Park Sense Circuit Failure | D |
| B1450 | Wiper/Washer Interval Delay Switch Input Circuit Failure | Diagnose By Symptom. See SYMPTOM TEST INDEX under SYSTEM TESTS . |
| B1453 | Wiper/Washer Interval Delay Switch Input Short To Ground | Diagnose By Symptom. See SYMPTOM TEST INDEX under SYSTEM TESTS . |
| B1458 | Wiper/Washer Pump Motor Relay Circuit Failure | E |
| B1460 | Wiper/Washer Pump Motor Relay Coil Short To Power | E |
| B1466 | Wiper Hi/Low Speed Not Switching | Diagnose By Symptom. See SYMPTOM TEST INDEX under SYSTEM TESTS . |
| B1467 | Wiper Motor Hi/Low Speed Circuit Short To Power | Diagnose By Symptom. See SYMPTOM TEST INDEX under SYSTEM TESTS . |
| B1473 | Wiper Motor Low Speed Circuit Failure | Diagnose By Symptom. See SYMPTOM TEST INDEX under SYSTEM TESTS . |
| B1476 | Wiper Motor High Speed Circuit Failure | Diagnose By Symptom. See SYMPTOM TEST INDEX under SYSTEM TESTS . |
| B1611 | Rear Wiper Mode Select Switch Circuit Failure | Diagnose By Symptom. See SYMPTOM TEST INDEX under SYSTEM TESTS . |
| B1614 | Rear Wiper Mode Select Switch Circuit Short To Ground | Diagnose By Symptom. See SYMPTOM TEST INDEX under SYSTEM TESTS . |
| B1814 | Rear Wiper Motor Down Relay Circuit Failure | K |
| B1816 | Rear Wiper Motor Down Relay Coil Circuit Short To Power | K |
| B1818 | Rear Wiper Motor Up Relay Coil Circuit Failure | Diagnose By Symptom. See SYMPTOM TEST INDEX under SYSTEM TESTS . |
| B1820 | Rear Wiper Motor Up Relay Circuit Short To Power | K |
| B1839 | Rear Wiper Motor Circuit Failure | K |
| B1840 | Front Wiper Power Circuit Failure | A |
| B1894 | Rear Wiper Motor Speed Sense Circuit Failure | K |
| P0500 | Vehicle Speed Signal Circuit Failure | F |
Factory Service Tools
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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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