OBD Guide
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B1241

Body ECU Switch Circuit Diagnosis

B1241 is an OBD-II diagnostic trouble code meaning: Body ECU Switch Circuit Diagnosis. Common causes: open or short circuit in wiring harness, switch failure. Estimated repair cost: $56–167.

Severity
⚠️ Medium
Can you drive?
Limited driving only, diagnose soon
Approx. repair cost
$56–167 (est.)

Symptoms

  • Some body functions do not work (for example, power windows, central locking)
  • Switches flickering or not illuminated
  • Incorrect lighting operation

Causes

  • Open or short circuit in wiring harness
  • Switch failure
  • Damage to the body control unit
  • Poor contact in connectors

How to Fix

  1. Check the integrity of the wiring harness
  2. Check the status of the switches
  3. Diagnose the body control unit
  4. Replace damaged components

Related codes

B1240B1242B1243

FAQ

What does the B1241 code mean?

B1241 is an OBD-II diagnostic trouble code that indicates: Body ECU Switch Circuit Diagnosis

What causes a B1241 error code?

The most common causes of B1241 include: Open or short circuit in wiring harness; Switch failure; Damage to the body control unit; Poor contact in connectors.

How do I fix a B1241 diagnostic trouble code?

To fix B1241: Check the integrity of the wiring harness. Check the status of the switches. Diagnose the body control unit. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with B1241?

Limited driving only, diagnose soon

How much does it cost to fix B1241?

The estimated repair cost for B1241 is $56–167. Actual cost depends on your vehicle, location, and labor rates.

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See also: Russian version · NationStat