OBD Guide
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B2038

Left Power Sliding Door Base Position Switch Circuit Open/Short

B2038 is an OBD-II diagnostic trouble code meaning: Left Power Sliding Door Base Position Switch Circuit Open/Short. Common causes: broken wiring harness to the switch, short circuit in the circuit. Estimated repair cost: $33–167.

Severity
⚠️ Medium
Can you drive?
Limited driving only, diagnose soon
Approx. repair cost
$33–167 (est.)

Symptoms

  • Incorrect operation of the left sliding door
  • The door does not open/close automatically
  • Door lights flashing
  • Error message on display

Causes

  • Broken wiring harness to the switch
  • Short circuit in the circuit
  • Oxidation of switch contacts
  • Limit switch fault
  • Problems with the door control unit

How to Fix

  1. Check the integrity of the wiring harness to the switch
  2. Check resistance and voltage at switch
  3. Clean switch contacts
  4. Replace limit switch if necessary
  5. Check the operation of the door control unit

Related codes

B2039B2037B2040

FAQ

What does the B2038 code mean?

B2038 is an OBD-II diagnostic trouble code that indicates: Left Power Sliding Door Base Position Switch Circuit Open/Short

What causes a B2038 error code?

The most common causes of B2038 include: Broken wiring harness to the switch; Short circuit in the circuit; Oxidation of switch contacts; Limit switch fault.

How do I fix a B2038 diagnostic trouble code?

To fix B2038: Check the integrity of the wiring harness to the switch. Check resistance and voltage at switch. Clean switch contacts. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with B2038?

Limited driving only, diagnose soon

How much does it cost to fix B2038?

The estimated repair cost for B2038 is $33–167. Actual cost depends on your vehicle, location, and labor rates.

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See also: Russian version · NationStat