OBD Guide
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B2838

Driver Information Center Reset Switch Circuit

B2838 is an OBD-II diagnostic trouble code meaning: Driver Information Center Reset Switch Circuit. Common causes: open or short circuit in wiring harness, dic reset button malfunction. Estimated repair cost: $6–33.

Severity
✅ Low
Can you drive?
Do not drive — repair immediately
Approx. repair cost
$6–33 (est.)

Symptoms

  • Inability to reset on-board computer parameters
  • Flashing or no response when pressing the reset button
  • Constant error message on display

Causes

  • Open or short circuit in wiring harness
  • DIC reset button malfunction
  • Contact corrosion
  • Display control module problem
  • Poor connection in connectors

How to Fix

  1. Check the integrity of the wiring harness between the button and the control module
  2. Test the DIC reset button with a multimeter
  3. Clean contacts and check the quality of connections
  4. Replace button or control module if necessary
  5. Reset the error with an OBD-II scanner after repair

Related codes

B2837B2839

FAQ

What does the B2838 code mean?

B2838 is an OBD-II diagnostic trouble code that indicates: Driver Information Center Reset Switch Circuit

What causes a B2838 error code?

The most common causes of B2838 include: Open or short circuit in wiring harness; DIC reset button malfunction; Contact corrosion; Display control module problem.

How do I fix a B2838 diagnostic trouble code?

To fix B2838: Check the integrity of the wiring harness between the button and the control module. Test the DIC reset button with a multimeter. Clean contacts and check the quality of connections. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with B2838?

Do not drive — repair immediately

How much does it cost to fix B2838?

The estimated repair cost for B2838 is $6–33. Actual cost depends on your vehicle, location, and labor rates.

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See also: Russian version · NationStat