OBD Guide
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B1841

Wiper Front Power Circuit Open

B1841 is an OBD-II diagnostic trouble code meaning: Wiper Front Power Circuit Open. Common causes: broken wire in the harness, fuse blown. Estimated repair cost: $22–111.

Severity
⚠️ Medium
Can you drive?
Limited driving only, diagnose soon
Approx. repair cost
$22–111 (est.)

Symptoms

  • Front wipers don't work
  • Intermittent wiper operation
  • The wipers turn on spontaneously

Causes

  • Broken wire in the harness
  • Fuse blown
  • Faulty wiper relay
  • Oxidized contacts in connectors
  • Damage to the wiper motor

How to Fix

  1. Check the wiper circuit fuse
  2. Inspect the wiring harness for damage
  3. Check contacts in connectors
  4. Test the wiper relay
  5. Check power supply to wiper motor

Related codes

B1840B1842B1843

FAQ

What does the B1841 code mean?

B1841 is an OBD-II diagnostic trouble code that indicates: Wiper Front Power Circuit Open

What causes a B1841 error code?

The most common causes of B1841 include: Broken wire in the harness; Fuse blown; Faulty wiper relay; Oxidized contacts in connectors.

How do I fix a B1841 diagnostic trouble code?

To fix B1841: Check the wiper circuit fuse. Inspect the wiring harness for damage. Check contacts in connectors. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with B1841?

Limited driving only, diagnose soon

How much does it cost to fix B1841?

The estimated repair cost for B1841 is $22–111. Actual cost depends on your vehicle, location, and labor rates.

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See also: Russian version · NationStat