OBD Guide
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U1519

Seat Memory Control Module Lost Communication With Mirror Control Module/Drive Mirror Control Module/Left Mirror Control Module On LIN Bus

U1519 is an OBD-II diagnostic trouble code meaning: Seat Memory Control Module Lost Communication With Mirror Control Module/Drive Mirror Control Module/Left Mirror Control Module On LIN Bus. Common causes: broken or damaged lin bus wires, short circuit in lin circuit. Estimated repair cost: $33–167.

Severity
⚠️ Medium
Can you drive?
Yes, but get it checked soon
Approx. repair cost
$33–167 (est.)

Symptoms

  • Seat and mirror position settings are not saved
  • Mirrors do not respond to commands from the switch
  • Error indication on the dashboard
  • Resetting seat memory settings when turning off the ignition
  • Intermittent operation of electric mirrors

Causes

  • Broken or damaged LIN bus wires
  • Short circuit in LIN circuit
  • Seat memory module malfunction
  • Problems with the mirror control module
  • Poor contact in module connectors

How to Fix

  1. Check the integrity of the LIN bus wiring
  2. Inspect module connectors for oxidation or damage
  3. Check power and ground on modules
  4. Scan modules for additional errors
  5. Replace the faulty module if necessary

Related codes

U1518U1520B1519

FAQ

What does the U1519 code mean?

U1519 is an OBD-II diagnostic trouble code that indicates: Seat Memory Control Module Lost Communication With Mirror Control Module/Drive Mirror Control Module/Left Mirror Control Module On LIN Bus

What causes a U1519 error code?

The most common causes of U1519 include: Broken or damaged LIN bus wires; Short circuit in LIN circuit; Seat memory module malfunction; Problems with the mirror control module.

How do I fix a U1519 diagnostic trouble code?

To fix U1519: Check the integrity of the LIN bus wiring. Inspect module connectors for oxidation or damage. Check power and ground on modules. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with U1519?

Yes, but get it checked soon

How much does it cost to fix U1519?

The estimated repair cost for U1519 is $33–167. Actual cost depends on your vehicle, location, and labor rates.

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See also: Russian version · NationStat