Engine-CodesGeneric – B2838

B2838 Code - Driver Information Center Reset Switch Circuit

Quick Answer

The B2838 diagnostic trouble code (DTC) refers to a malfunction in the Driver Information Center (DIC) reset switch circuit. Common causes include Faulty reset switch on the DIC, Wiring or connection issues in the circuit controlling the reset switch, Defective control module responsible for managing the DIC functions. Severity is High - diagnose this code as soon as possible. Driving is not recommended if the warning light is flashing, the engine runs poorly, or safety-related symptoms are present.

What it means
B2838 indicates Driver Information Center Reset Switch Circuit.
Common causes
Common causes include Faulty reset switch on the DIC, Wiring or connection issues in the circuit controlling the reset switch, Defective control module responsible for managing the DIC functions.
Severity
High - diagnose this code as soon as possible.
Can I drive?
Driving is not recommended if the warning light is flashing, the engine runs poorly, or safety-related symptoms are present.
Table of contents Created and updated by William Orellana on Sep 12, 2024
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Code B2838 Description

The B2838 diagnostic trouble code (DTC) refers to a malfunction in the Driver Information Center (DIC) reset switch circuit. The DIC is a display located on the dashboard of the vehicle that provides the driver with various information such as trip odometer, fuel efficiency, tire pressure, and other important vehicle data. The reset switch is used to clear or reset certain information displayed on the DIC.

OBDII Code B2838 - Driver Information Center Reset Switch Circuit
B2838 Code - Driver Information Center Reset Switch Circuit

Common Causes of B2838

  1. Faulty reset switch on the DIC.
  2. Wiring or connection issues in the circuit controlling the reset switch.
  3. Defective control module responsible for managing the DIC functions.
  4. Corrosion or damage to the electrical components related to the DIC reset switch.
  5. Software issues within the control module affecting the DIC operation.

Symptoms of B2838

  1. Inability to reset trip odometer or other functions on the DIC.
  2. Incorrect or erratic display of vehicle information on the DIC.
  3. Illumination of warning lights on the dashboard related to the DIC.
  4. Loss of functionality of certain features on the DIC.

How to Fix B2838

  1. Begin by performing a visual inspection of the DIC reset switch and its wiring connections. Look for any signs of damage, corrosion, or loose connections.
  2. Use a multimeter to test the continuity of the circuit controlling the reset switch. Check for any open or short circuits that may be causing the issue.
  3. If the reset switch is found to be faulty, replace it with a new one following the manufacturer's instructions.
  4. Check the control module for any software updates or reprogramming that may be necessary to address the B2838 code.
  5. Clear the DTC from the vehicle's memory using a diagnostic scanner and test the DIC functionality to ensure the issue has been resolved.

Cost to Fix B2838

The typical repair costs for addressing the B2838 DTC can range from $100 to $300, including parts and labor. However, it's important to note that the specific diagnosis time and labor rates at auto repair shops can vary based on factors such as location, vehicle make and model, and engine type. It's advisable to check with local repair shops for a more accurate estimate.

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Code B2838 Information for Specific Makes

About the author: William Orellana is a Master Mechanic and Mechanical Engineer with over 30 years of experience diagnosing and repairing vehicles. Learn more about his background.

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