OBD Guide
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B2059

Right Power Sliding Door Control Unit Lost Communication With Left Power Sliding Door Control Unit

B2059 is an OBD-II diagnostic trouble code meaning: Right Power Sliding Door Control Unit Lost Communication With Left Power Sliding Door Control Unit. Common causes: broken or damaged wiring harness between control units, malfunction of the right or left sliding door control unit. Estimated repair cost: $56–222.

Severity
⚠️ Medium
Can you drive?
Limited driving only, diagnose soon
Approx. repair cost
$56–222 (est.)

Symptoms

  • Sliding door not working
  • Door indicator flashing on instrument panel
  • No response to the door open/close button

Causes

  • Broken or damaged wiring harness between control units
  • Malfunction of the right or left sliding door control unit
  • Problems with power supply or grounding of the control unit
  • Corrosion of contacts in connectors

How to Fix

  1. Check the integrity of the wiring harness between the control units
  2. Check power supply and grounding of control units
  3. Inspect connectors for corrosion or damage
  4. Scan control units for additional errors
  5. If necessary, replace the faulty control unit or wiring harness

Related codes

B2060B2061U0100

FAQ

What does the B2059 code mean?

B2059 is an OBD-II diagnostic trouble code that indicates: Right Power Sliding Door Control Unit Lost Communication With Left Power Sliding Door Control Unit

What causes a B2059 error code?

The most common causes of B2059 include: Broken or damaged wiring harness between control units; Malfunction of the right or left sliding door control unit; Problems with power supply or grounding of the control unit; Corrosion of contacts in connectors.

How do I fix a B2059 diagnostic trouble code?

To fix B2059: Check the integrity of the wiring harness between the control units. Check power supply and grounding of control units. Inspect connectors for corrosion or damage. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with B2059?

Limited driving only, diagnose soon

How much does it cost to fix B2059?

The estimated repair cost for B2059 is $56–222. Actual cost depends on your vehicle, location, and labor rates.

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See also: Russian version · NationStat