OBD Guide
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B2028

Left Power Sliding Door Remote Control Switch 2 Signal Error

B2028 is an OBD-II diagnostic trouble code meaning: Left Power Sliding Door Remote Control Switch 2 Signal Error. Common causes: remote control switch malfunction, open or short circuit in wiring harness. Estimated repair cost: $56–167.

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

Symptoms

  • Remote opening/closing of the left sliding door does not work
  • The door does not respond to switch commands
  • Flashing lights or warning on the instrument panel

Causes

  • Remote control switch malfunction
  • Open or short circuit in wiring harness
  • Problems with the door control unit
  • Corrosion of contacts or connectors

How to Fix

  1. Check the remote control switch for faults
  2. Inspect the wiring harness and connectors for damage and corrosion.
  3. Check control circuit for open or short circuit
  4. Replace switch or wiring harness if necessary
  5. Reset the error and check the system operation

Related codes

B2027B2029B2030

FAQ

What does the B2028 code mean?

B2028 is an OBD-II diagnostic trouble code that indicates: Left Power Sliding Door Remote Control Switch 2 Signal Error

What causes a B2028 error code?

The most common causes of B2028 include: Remote control switch malfunction; Open or short circuit in wiring harness; Problems with the door control unit; Corrosion of contacts or connectors.

How do I fix a B2028 diagnostic trouble code?

To fix B2028: Check the remote control switch for faults. Inspect the wiring harness and connectors for damage and corrosion.. Check control circuit for open or short circuit. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with B2028?

Limited driving only, diagnose soon

How much does it cost to fix B2028?

The estimated repair cost for B2028 is $56–167. Actual cost depends on your vehicle, location, and labor rates.

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See also: Russian version · NationStat