OBD Guide

U1750

Lack of Acknowledgment For Audible Warnings

U1750 is an OBD-II diagnostic trouble code meaning: Lack of Acknowledgment For Audible Warnings. Common causes: sound module malfunction, problems with the wiring harness to the sound module. Estimated repair cost: $17–78.

Severity
⚠️ Medium
Can you drive?
Yes, but get it checked soon
Approx. repair cost
$17–78 (est.)

Symptoms

  • No audible warnings (for example, when doors are unlocked)
  • Problem with audio signals (for example, the sound is too quiet or intermittent)
  • Error indication on the dashboard
  • Non-standard behavior of the warning system

Causes

  • Sound module malfunction
  • Problems with the wiring harness to the sound module
  • Low battery affecting system operation
  • Problems with the on-board computer software

How to Fix

  1. Check the operation of the speakers and sound module
  2. Check the connection of the wiring harness to the module
  3. Check battery level
  4. Scan the system for other errors
  5. Update on-board computer software

Related codes

FAQ

What does the U1750 code mean?

U1750 is an OBD-II diagnostic trouble code that indicates: Lack of Acknowledgment For Audible Warnings

What causes a U1750 error code?

The most common causes of U1750 include: Sound module malfunction; Problems with the wiring harness to the sound module; Low battery affecting system operation; Problems with the on-board computer software.

How do I fix a U1750 diagnostic trouble code?

To fix U1750: Check the operation of the speakers and sound module. Check the connection of the wiring harness to the module. Check battery level. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with U1750?

Yes, but get it checked soon

How much does it cost to fix U1750?

The estimated repair cost for U1750 is $17–78. Actual cost depends on your vehicle, location, and labor rates.

See also: Russian version · NationStat