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B2242 Chevrolet Code - Memory 1 Switch Fault

Quick Answer

The driver door switch signal circuits provide input to the Driver Door Module (DDM) when the memory 1 or memory 2 select switch is activated. Common causes include Faulty Memory 1 Switch, Memory 1 Switch harness is open or shorted, Memory 1 Switch circuit poor electrical connection. 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
B2242 Chevrolet indicates Memory 1 Switch Fault.
Common causes
Common causes include Faulty Memory 1 Switch, Memory 1 Switch harness is open or shorted, Memory 1 Switch circuit poor electrical connection.
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.
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Code Popularity 552
How popular is this code, among other codes? Low
What is this?
Table of contents Created and updated by William Orellana on Oct 11, 2019
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Code B2242 Chevrolet Description

The driver door switch signal circuits provide input to the Driver Door Module (DDM) when the memory 1 or memory 2 select switch is activated. These inputs allow the DDM to detect a memory function recall request. The DDM provides power and ground to the memory switches. When a memory select switch is activated, ground is supplied through the memory select switch to the signal circuit, which is pulled low. When the DDM detects low voltage on the signal circuit, it will activate the memory functions and also send a message on the serial data line to other modules responsible for memory recall functions. The DDM monitors the signal circuits to determine how long the ground has been applied. If the DDM detects that a ground is applied for greater than 20 seconds, a Diagnostic Trouble Code (DTC) is set.
OBDII Code B2242 Chevrolet - Memory 1 Switch Fault - AutoCodes.com
B2242 Chevrolet Code - Memory 1 Switch Fault
What does this mean?

What are the Possible Causes of the DTC B2242 Chevrolet?

  • Faulty Memory 1 Switch
  • Memory 1 Switch harness is open or shorted
  • Memory 1 Switch circuit poor electrical connection
  • Faulty Driver Door Module (DDM)

How to Fix the DTC B2242 Chevrolet?

Review the 'Possible Causes' above and visually examine the corresponding wiring harness and connectors. Check for damaged components and inspect connector pins for signs of being broken, bent, pushed out, or corroded.

What is the Cost to Diagnose the Code?

Labor: 1.0

To diagnose the B2242 Chevrolet code, it typically requires 1.0 hour of labor. Rates vary by location, vehicle, and shop. Many shops charge between $80–$150 per hour; dealerships and metro areas may be higher, independents may be lower.

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Need more information on how to fix the B2242 Chevrolet code? Get Access to Factory Service Manuals

Need Help with the Code?

Get the B2242 Chevrolet code diagnosed by a professional: Find a repair shop in your area

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.

Frequently Asked Questions about B2242 Chevrolet Code

1. What does the OBDII code B2242 mean for a Chevrolet?

Code B2242 indicates a "Memory 1 Switch Fault," which typically relates to an issue with the driver's seat memory function or its associated control module.

2. What are the common symptoms of a B2242 code?

Symptoms include the seat memory function not working, failure to recall preset positions, or the memory switch being unresponsive.

3. What causes the B2242 code in a Chevrolet?

Common causes include a faulty memory switch, damaged wiring or connectors, a malfunctioning seat control module, or software issues in the module.

4. How do you diagnose a B2242 code?

Diagnosis involves scanning the vehicle with an OBDII tool, inspecting the memory switch and wiring for damage, and testing the seat control module for proper function.

5. Can a blown fuse trigger the B2242 code?

Yes, a blown fuse for the seat control system can disrupt power to the memory switch, potentially triggering this code.

6. How can I fix the B2242 code?

Repairs may include replacing the memory switch, fixing damaged wiring or connections, resetting the seat control module, or updating its software.

7. Will the B2242 code affect other vehicle functions?

Generally, no. This code is specific to the seat memory system and does not usually affect other vehicle systems.

8. Is it safe to drive with the B2242 code active?

Yes, the code does not impact drivability, but you may lose the convenience of using seat memory functions until it’s resolved.

9. What tools are needed to troubleshoot the B2242 code?

You’ll need an OBDII scanner, a multimeter for checking wiring, and possibly manufacturer-specific diagnostic tools for the seat control module.

10. Can a software update fix the B2242 code?

In some cases, a software update for the seat control module may resolve communication or functionality issues causing the code.

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