OBD Guide
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B2011

Left Power Sliding Door Control Unit Lost Communication With Gauge Control Module

B2011 is an OBD-II diagnostic trouble code meaning: Left Power Sliding Door Control Unit Lost Communication With Gauge Control Module. Common causes: open or short circuit in wiring harness, damage to connectors. Estimated repair cost: $56–167.

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

Symptoms

  • Left sliding door not working
  • No door status indication on the dashboard
  • Error message on display

Causes

  • Open or short circuit in wiring harness
  • Damage to connectors
  • Door control module malfunction
  • Problems with the CAN bus
  • Software error

How to Fix

  1. Check the integrity of the wiring harness and connectors
  2. Scan all modules for errors
  3. Check CAN bus resistance
  4. If necessary, replace the door control module
  5. Update software

Related codes

U1000U1010B2010

FAQ

What does the B2011 code mean?

B2011 is an OBD-II diagnostic trouble code that indicates: Left Power Sliding Door Control Unit Lost Communication With Gauge Control Module

What causes a B2011 error code?

The most common causes of B2011 include: Open or short circuit in wiring harness; Damage to connectors; Door control module malfunction; Problems with the CAN bus.

How do I fix a B2011 diagnostic trouble code?

To fix B2011: Check the integrity of the wiring harness and connectors. Scan all modules for errors. Check CAN bus resistance. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with B2011?

Limited driving only, diagnose soon

How much does it cost to fix B2011?

The estimated repair cost for B2011 is $56–167. Actual cost depends on your vehicle, location, and labor rates.

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