OBD Guide
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U1161

Lost Communications With Front Passenger Door Module

U1161 is an OBD-II diagnostic trouble code meaning: Lost Communications With Front Passenger Door Module. Common causes: broken or damaged wiring harness, door module malfunction. Estimated repair cost: $17–56.

Severity
⚠️ Medium
Can you drive?
Yes, but get it checked soon
Approx. repair cost
$17–56 (est.)

Symptoms

  • Front passenger door windows do not work
  • Problems with central locking
  • The malfunction indicator on the instrument panel is on
  • The door does not respond to commands from the key fob

Causes

  • Broken or damaged wiring harness
  • Door module malfunction
  • Poor contact in connectors
  • Module power problems

How to Fix

  1. Check the integrity of the wiring harness
  2. Inspect connectors for oxidation
  3. Check module power supply
  4. Replace the door module if necessary

Related codes

U1160U1162

FAQ

What does the U1161 code mean?

U1161 is an OBD-II diagnostic trouble code that indicates: Lost Communications With Front Passenger Door Module

What causes a U1161 error code?

The most common causes of U1161 include: Broken or damaged wiring harness; Door module malfunction; Poor contact in connectors; Module power problems.

How do I fix a U1161 diagnostic trouble code?

To fix U1161: Check the integrity of the wiring harness. Inspect connectors for oxidation. Check module power supply. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with U1161?

Yes, but get it checked soon

How much does it cost to fix U1161?

The estimated repair cost for U1161 is $17–56. Actual cost depends on your vehicle, location, and labor rates.

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See also: Russian version · NationStat