OBD Guide
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U147B

Implausible Data Received From Battery Monitor Module

U147B is an OBD-II diagnostic trouble code meaning: Implausible Data Received From Battery Monitor Module. Common causes: battery control module malfunction, damage to the wiring or connectors of the battery control module. Estimated repair cost: $17–89.

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

Symptoms

  • Check Engine Light Illuminates
  • Incorrect display of battery charge level
  • Problems starting the engine
  • Unstable operation of the vehicle's electrical equipment

Causes

  • Battery control module malfunction
  • Damage to the wiring or connectors of the battery control module
  • ECU problems
  • Low battery voltage

How to Fix

  1. Check battery voltage and terminal condition
  2. Check the wiring and connectors of the battery control module for damage.
  3. Check the battery control module using diagnostic equipment
  4. Check ECU for errors and update software if necessary

Related codes

U1400U1401U1402

FAQ

What does the U147B code mean?

U147B is an OBD-II diagnostic trouble code that indicates: Implausible Data Received From Battery Monitor Module

What causes a U147B error code?

The most common causes of U147B include: Battery control module malfunction; Damage to the wiring or connectors of the battery control module; ECU problems; Low battery voltage.

How do I fix a U147B diagnostic trouble code?

To fix U147B: Check battery voltage and terminal condition. Check the wiring and connectors of the battery control module for damage.. Check the battery control module using diagnostic equipment. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with U147B?

Yes, but get it checked soon

How much does it cost to fix U147B?

The estimated repair cost for U147B is $17–89. Actual cost depends on your vehicle, location, and labor rates.

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See also: Russian version · NationStat