OBD Guide
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U1193

Lost Communication With Driver Side Blind Spot Sensor

U1193 is an OBD-II diagnostic trouble code meaning: Lost Communication With Driver Side Blind Spot Sensor. Common causes: open or short circuit in the sensor circuit, blind spot sensor malfunction. Estimated repair cost: $56–167.

Severity
⚠️ Medium
Can you drive?
Limited driving only, diagnose soon
Approx. repair cost
$56–167 (est.)

Symptoms

  • Driver side blind spot warning system not working
  • Error message on the dashboard
  • Check Engine light comes on
  • There may be malfunctions in other driver assistance systems

Causes

  • Open or short circuit in the sensor circuit
  • Blind spot sensor malfunction
  • Connector problems or contact corrosion
  • Computer malfunctions
  • Wiring harness damage

How to Fix

  1. Check the continuity of the blind spot sensor circuit
  2. Inspect connectors and contacts for corrosion or damage
  3. Test the blind spot sensor
  4. Check the operation of the ECU and update its firmware if necessary
  5. Repair only from an authorized dealer

Related codes

U1194U1192U1195

FAQ

What does the U1193 code mean?

U1193 is an OBD-II diagnostic trouble code that indicates: Lost Communication With Driver Side Blind Spot Sensor

What causes a U1193 error code?

The most common causes of U1193 include: Open or short circuit in the sensor circuit; Blind spot sensor malfunction; Connector problems or contact corrosion; Computer malfunctions.

How do I fix a U1193 diagnostic trouble code?

To fix U1193: Check the continuity of the blind spot sensor circuit. Inspect connectors and contacts for corrosion or damage. Test the blind spot sensor. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with U1193?

Limited driving only, diagnose soon

How much does it cost to fix U1193?

The estimated repair cost for U1193 is $56–167. Actual cost depends on your vehicle, location, and labor rates.

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See also: Russian version · NationStat