OBD Guide
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U2051

One Or More Calibration Files Missing/Corrupt ABS Module

U2051 is an OBD-II diagnostic trouble code meaning: One Or More Calibration Files Missing/Corrupt ABS Module. Common causes: abs software update fails, abs module memory corruption. Estimated repair cost: $167–556.

Severity
🔴 High
Can you drive?
Limited driving only, diagnose soon
Approx. repair cost
$167–556 (est.)

Symptoms

  • The ABS indicator on the dashboard is on
  • ABS system does not work
  • Possible errors in other ABS-related systems
  • Reduced functionality of the stabilization system

Causes

  • ABS software update fails
  • ABS module memory corruption
  • Power problems during programming
  • Incorrect programming of new ABS module
  • Physical damage to the ABS module

How to Fix

  1. Check service history for recent programming
  2. Read all error codes from ABS module
  3. Try to reflash the ABS module
  4. If necessary, replace the ABS module
  5. Repair only from an authorized dealer

Related codes

U2050U2052U2053

FAQ

What does the U2051 code mean?

U2051 is an OBD-II diagnostic trouble code that indicates: One Or More Calibration Files Missing/Corrupt ABS Module

What causes a U2051 error code?

The most common causes of U2051 include: ABS software update fails; ABS module memory corruption; Power problems during programming; Incorrect programming of new ABS module.

How do I fix a U2051 diagnostic trouble code?

To fix U2051: Check service history for recent programming. Read all error codes from ABS module. Try to reflash the ABS module. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with U2051?

Limited driving only, diagnose soon

How much does it cost to fix U2051?

The estimated repair cost for U2051 is $167–556. Actual cost depends on your vehicle, location, and labor rates.

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See also: Russian version · NationStat