OBD Guide
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U2472

Unexpected Ignition State

U2472 is an OBD-II diagnostic trouble code meaning: Unexpected Ignition State. Common causes: ignition key malfunction, problems with the electrical ignition circuit. Estimated repair cost: $17–89.

Severity
⚠️ Medium
Can you drive?
Yes, but get it checked soon
Approx. repair cost
$17–89 (est.)

Symptoms

  • Problems starting the engine
  • Unstable engine operation
  • Check Engine Light Is On
  • Intermittent power loss
  • Disabling comfort functions

Causes

  • Ignition key malfunction
  • Problems with the electrical ignition circuit
  • Ignition switch malfunction
  • ECM Software Errors
  • Damage to wiring or connectors

How to Fix

  1. Check the condition of the ignition key and batteries in the key fob
  2. Diagnostics of the electrical circuit of the ignition system
  3. Check the functionality of the ignition switch
  4. Update ECM software
  5. Check the integrity of wiring and connectors

Related codes

U2470U2471U2473

FAQ

What does the U2472 code mean?

U2472 is an OBD-II diagnostic trouble code that indicates: Unexpected Ignition State

What causes a U2472 error code?

The most common causes of U2472 include: Ignition key malfunction; Problems with the electrical ignition circuit; Ignition switch malfunction; ECM Software Errors.

How do I fix a U2472 diagnostic trouble code?

To fix U2472: Check the condition of the ignition key and batteries in the key fob. Diagnostics of the electrical circuit of the ignition system. Check the functionality of the ignition switch. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with U2472?

Yes, but get it checked soon

How much does it cost to fix U2472?

The estimated repair cost for U2472 is $17–89. Actual cost depends on your vehicle, location, and labor rates.

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See also: Russian version · NationStat