OBD Guide
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B2031

Left Power Slide Motor Pulse Signal Error

B2031 is an OBD-II diagnostic trouble code meaning: Left Power Slide Motor Pulse Signal Error. Common causes: open or short circuit in wiring harness, shift motor malfunction. Estimated repair cost: $56–167.

Severity
⚠️ Medium
Can you drive?
Yes, but get it checked soon
Approx. repair cost
$56–167 (est.)

Symptoms

  • The door does not open or close automatically
  • Intermittent door operation
  • The engine makes unusual noises

Causes

  • Open or short circuit in wiring harness
  • Shift motor malfunction
  • Problems with the door control unit
  • Contacts are dirty or damaged

How to Fix

  1. Check the wiring harness for breaks and short circuits
  2. Test the operation of the electric motor
  3. Clean or replace contacts
  4. Replace the door control unit if necessary

Related codes

B2020B2025B2030

FAQ

What does the B2031 code mean?

B2031 is an OBD-II diagnostic trouble code that indicates: Left Power Slide Motor Pulse Signal Error

What causes a B2031 error code?

The most common causes of B2031 include: Open or short circuit in wiring harness; Shift motor malfunction; Problems with the door control unit; Contacts are dirty or damaged.

How do I fix a B2031 diagnostic trouble code?

To fix B2031: Check the wiring harness for breaks and short circuits. Test the operation of the electric motor. Clean or replace contacts. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with B2031?

Yes, but get it checked soon

How much does it cost to fix B2031?

The estimated repair cost for B2031 is $56–167. Actual cost depends on your vehicle, location, and labor rates.

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See also: Russian version · NationStat