OBD Guide
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U148C

Implausible Data Received From Stop/Start Button

U148C is an OBD-II diagnostic trouble code meaning: Implausible Data Received From Stop/Start Button. Common causes: start/stop button malfunction, broken or damaged wires in the button circuit. Estimated repair cost: $28–89.

Severity
⚠️ Medium
Can you drive?
Yes, but get it checked soon
Approx. repair cost
$28–89 (est.)

Symptoms

  • Start/Stop system does not work
  • Error message on the dashboard
  • The engine does not start with the Start/Stop button
  • Random activation of the Start/Stop system

Causes

  • Start/Stop button malfunction
  • Broken or damaged wires in the button circuit
  • Problems with contacts in the button connector
  • Failures in ECU software
  • Power interruptions to the Start/Stop button

How to Fix

  1. Check the status of the Start/Stop button
  2. Diagnose the power circuit and signal wires of the button
  3. Clean the contacts of the button connector
  4. Flash or update ECU software
  5. Replace the Start/Stop button if necessary

Related codes

U148BU148D

FAQ

What does the U148C code mean?

U148C is an OBD-II diagnostic trouble code that indicates: Implausible Data Received From Stop/Start Button

What causes a U148C error code?

The most common causes of U148C include: Start/Stop button malfunction; Broken or damaged wires in the button circuit; Problems with contacts in the button connector; Failures in ECU software.

How do I fix a U148C diagnostic trouble code?

To fix U148C: Check the status of the Start/Stop button. Diagnose the power circuit and signal wires of the button. Clean the contacts of the button connector. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with U148C?

Yes, but get it checked soon

How much does it cost to fix U148C?

The estimated repair cost for U148C is $28–89. Actual cost depends on your vehicle, location, and labor rates.

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See also: Russian version · NationStat