OBD Guide
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U1414

Implausible/Missing ECU Network Configuration Data

U1414 is an OBD-II diagnostic trouble code meaning: Implausible/Missing ECU Network Configuration Data. Common causes: problems with ecu software, software version mismatch between modules. Estimated repair cost: $33–167.

Severity
⚠️ Medium
Can you drive?
Yes, but get it checked soon
Approx. repair cost
$33–167 (est.)

Symptoms

  • Check Engine light comes on
  • Possible problems with engine or transmission operation
  • Disabling some vehicle systems
  • Difficulty starting the engine
  • Unstable operation of electronic systems

Causes

  • Problems with ECU software
  • Software version mismatch between modules
  • Data corruption in ECU memory
  • Problems with CAN bus wiring
  • Replacing the ECU without subsequent flashing

How to Fix

  1. Diagnostics with a scanner to check software versions of all ECUs
  2. Reflashing a problematic ECU with subsequent training
  3. Checking the integrity of the CAN bus
  4. Synchronizing configuration data between modules
  5. Reconfiguring ECU network parameters

Related codes

U1404U1411U1415

FAQ

What does the U1414 code mean?

U1414 is an OBD-II diagnostic trouble code that indicates: Implausible/Missing ECU Network Configuration Data

What causes a U1414 error code?

The most common causes of U1414 include: Problems with ECU software; Software version mismatch between modules; Data corruption in ECU memory; Problems with CAN bus wiring.

How do I fix a U1414 diagnostic trouble code?

To fix U1414: Diagnostics with a scanner to check software versions of all ECUs. Reflashing a problematic ECU with subsequent training. Checking the integrity of the CAN bus. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with U1414?

Yes, but get it checked soon

How much does it cost to fix U1414?

The estimated repair cost for U1414 is $33–167. Actual cost depends on your vehicle, location, and labor rates.

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See also: Russian version · NationStat