OBD Guide
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U1516

Body Control Module Lost Communication With Battery Sensor Module On LIN Bus

U1516 is an OBD-II diagnostic trouble code meaning: Body Control Module Lost Communication With Battery Sensor Module On LIN Bus. Common causes: broken or damaged lin bus wires, battery sensor module malfunction. 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 Is On
  • Problems with the start-stop system
  • Incorrect battery level readings
  • Malfunctions of electronic systems

Causes

  • Broken or damaged LIN bus wires
  • Battery sensor module malfunction
  • Sensor Module Power Problems
  • Body Module (BCM) Malfunction
  • Contact corrosion

How to Fix

  1. Check the integrity of the LIN bus wiring
  2. Check the connections and contacts of the battery sensor
  3. Check the power supply to the battery sensor module
  4. Scan the BCM for errors
  5. Replace battery sensor or BCM if necessary

Related codes

U1515U1517U1518

FAQ

What does the U1516 code mean?

U1516 is an OBD-II diagnostic trouble code that indicates: Body Control Module Lost Communication With Battery Sensor Module On LIN Bus

What causes a U1516 error code?

The most common causes of U1516 include: Broken or damaged LIN bus wires; Battery sensor module malfunction; Sensor Module Power Problems; Body Module (BCM) Malfunction.

How do I fix a U1516 diagnostic trouble code?

To fix U1516: Check the integrity of the LIN bus wiring. Check the connections and contacts of the battery sensor. Check the power supply to the battery sensor module. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with U1516?

Yes, but get it checked soon

How much does it cost to fix U1516?

The estimated repair cost for U1516 is $33–167. Actual cost depends on your vehicle, location, and labor rates.

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