OBD Guide
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B2141

Module Configuration Failure

B2141 is an OBD-II diagnostic trouble code meaning: Module Configuration Failure. Common causes: incorrect module firmware, module replacement without reprogramming. Estimated repair cost: $56–167.

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

Symptoms

  • The passive safety system fault indicator is on
  • Lack of system response to diagnostic commands
  • Inability to activate or deactivate module functions

Causes

  • Incorrect module firmware
  • Module replacement without reprogramming
  • Module memory corruption
  • Module power problems
  • Short circuit or break in the wiring harness

How to Fix

  1. Check the power supply and ground of the module
  2. Inspect the wiring harness for damage
  3. Read the current module configuration using diagnostic equipment
  4. Reflash the module in accordance with the manufacturer's requirements
  5. Replace the module if necessary

Related codes

B2140B2142B2143

FAQ

What does the B2141 code mean?

B2141 is an OBD-II diagnostic trouble code that indicates: Module Configuration Failure

What causes a B2141 error code?

The most common causes of B2141 include: Incorrect module firmware; Module replacement without reprogramming; Module memory corruption; Module power problems.

How do I fix a B2141 diagnostic trouble code?

To fix B2141: Check the power supply and ground of the module. Inspect the wiring harness for damage. Read the current module configuration using diagnostic equipment. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with B2141?

Limited driving only, diagnose soon

How much does it cost to fix B2141?

The estimated repair cost for B2141 is $56–167. Actual cost depends on your vehicle, location, and labor rates.

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See also: Russian version · NationStat