OBD Guide
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U1254

Invalid Or Missing Data For Network Control

U1254 is an OBD-II diagnostic trouble code meaning: Invalid Or Missing Data For Network Control. Common causes: damage to the can bus, malfunction of one of the modules. Estimated repair cost: $6–56.

Severity
⚠️ Medium
Can you drive?
Yes, but get it checked soon
Approx. repair cost
$6–56 (est.)

Symptoms

  • Check Engine Light Is On
  • Malfunctions of electronic systems
  • Lost connection with some modules
  • Incorrect instrument readings

Causes

  • Damage to the CAN bus
  • Malfunction of one of the modules
  • Poor contact in connectors
  • Wiring corrosion
  • Software glitch

How to Fix

  1. Check the integrity of the CAN bus
  2. Inspect connectors and connections
  3. Conduct module diagnostics
  4. Update software
  5. Replace damaged wires

Related codes

U1255U1253U1256

FAQ

What does the U1254 code mean?

U1254 is an OBD-II diagnostic trouble code that indicates: Invalid Or Missing Data For Network Control

What causes a U1254 error code?

The most common causes of U1254 include: Damage to the CAN bus; Malfunction of one of the modules; Poor contact in connectors; Wiring corrosion.

How do I fix a U1254 diagnostic trouble code?

To fix U1254: Check the integrity of the CAN bus. Inspect connectors and connections. Conduct module diagnostics. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with U1254?

Yes, but get it checked soon

How much does it cost to fix U1254?

The estimated repair cost for U1254 is $6–56. Actual cost depends on your vehicle, location, and labor rates.

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See also: Russian version · NationStat