B1842
Wiper Front Power Circuit Short To Battery
B1842 is an OBD-II diagnostic trouble code meaning: Wiper Front Power Circuit Short To Battery. Common causes: damage to the wiring harness of the wiper circuit, short circuit in the wiper gear motor. Estimated repair cost: $22–111.
Symptoms
- Front wipers don't work
- Wipers operate erratically or without control
- Wiper circuit fuse blows
- The wipers turn on spontaneously
Causes
- Damage to the wiring harness of the wiper circuit
- Short circuit in the wiper gear motor
- Faulty wiper relay
- Problems in the wiper control unit
- Corrosion or oxidation of contacts in the circuit
How to Fix
- Check and replace the blown fuse
- Visually inspect the wiring harness for damage.
- Check the wiper relay for functionality
- Diagnose the wiper gear motor
- Check resistance and continuity using a multimeter
- Replace damaged components if necessary
Related codes
FAQ
What does the B1842 code mean?
B1842 is an OBD-II diagnostic trouble code that indicates: Wiper Front Power Circuit Short To Battery
What causes a B1842 error code?
The most common causes of B1842 include: Damage to the wiring harness of the wiper circuit; Short circuit in the wiper gear motor; Faulty wiper relay; Problems in the wiper control unit.
How do I fix a B1842 diagnostic trouble code?
To fix B1842: Check and replace the blown fuse. Visually inspect the wiring harness for damage.. Check the wiper relay for functionality. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with B1842?
Limited driving only, diagnose soon
How much does it cost to fix B1842?
The estimated repair cost for B1842 is $22–111. Actual cost depends on your vehicle, location, and labor rates.
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