AutoCodes – Generic – B2242

B2242 Code - Rear Cargo Door Unlock Circuit Open

Quick Answer

The Body Control Module (BCM) monitors the Rear Cargo Door Lock. Common causes include Faulty Rear Cargo Door Lock, Rear Cargo Door Lock harness is open or shorted, Rear Cargo Door Lock 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 indicates Rear Cargo Door Unlock Circuit Open.
Common causes: Common causes include Faulty Rear Cargo Door Lock, Rear Cargo Door Lock harness is open or shorted, Rear Cargo Door Lock 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 7,242

How popular is this code, among other codes? Low

Repair Importance Level

Urgent (Diagnose now) (3 / 3)

Repair Difficulty Level

Advanced (Pro) (3 / 3)

What is this?

Table of contents Created and updated by William Orellana on Oct 09, 2019

Description
Possible Causes
How To Fix
Cost to Diagnose
FAQs
Comments
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Code B2242 Description

The Body Control Module (BCM) monitors the Rear Cargo Door Lock. The BCM sets the OBDII code when the Rear Cargo Door Lock is not to factory specifications.

OBDII Code B2242 - Rear Cargo Door Unlock Circuit Open - AutoCodes.com — B2242 Code - Rear Cargo Door Unlock Circuit Open

What does this mean?

What are the Possible Causes of the DTC B2242?

Faulty Rear Cargo Door Lock
Rear Cargo Door Lock harness is open or shorted
Rear Cargo Door Lock circuit poor electrical connection
Faulty Body Control Module (BCM)

How to Fix the DTC B2242?

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 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.

Need more information about the B2242 code?

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

Need Help with the Code?

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

Information for Specific Makes

B2242 Buick — Memory 1 Switch Fault
B2242 Cadillac — Memory 1 Switch Fault
B2242 Chevrolet — Memory 1 Switch Fault
B2242 GMC — Memory 1 Switch Fault
B2242 Lexus — Steering Angle Mid-Point Initial Setting Incomplete
B2242 Toyota — Steering Angle Mid-Point Initial Setting Incomplete

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 Code

1. What are the common symptoms of OBDII code B2242 (Rear Cargo Door Unlock Circuit Open)?

- Common symptoms include the rear cargo door not unlocking, the door lock not responding to the key fob or interior switch, and possible issues with the vehicle's alarm system.

2. What are the possible causes of OBDII code B2242?

- The code B2242 can be triggered by a damaged wiring harness, a faulty rear cargo door lock actuator, a malfunctioning door lock switch, or a problem with the body control module.

3. How can I diagnose the issue related to OBDII code B2242?

- To diagnose the issue, you can start by checking the wiring connections to the rear cargo door lock actuator, testing the door lock switch for continuity, and using a scan tool to retrieve any additional trouble codes.

4. Can I repair OBDII code B2242 on my own?

- Depending on your skill level and access to tools, you may be able to repair the issue related to code B2242 on your own by replacing the faulty components or repairing any damaged wiring.

5. Is it safe to continue driving with OBDII code B2242 present?

- While the vehicle may still be drivable with this code present, it is recommended to address the issue promptly to avoid potential inconvenience or security risks related to the rear cargo door not unlocking properly.

6. How much does it typically cost to repair OBDII code B2242 at a repair shop?

- The cost of repairing OBDII code B2242 can vary depending on the extent of the issue and the labor rates of the repair shop. It is advisable to request a diagnostic and repair estimate from a trusted mechanic.

7. Can OBDII code B2242 affect other vehicle systems?

- While the code specifically relates to the rear cargo door unlock circuit, it may also impact related systems like the vehicle's alarm system, central locking mechanism, or interior lighting if left unresolved.

8. Are there any temporary solutions for OBDII code B2242?

- Temporary solutions may include manually unlocking the rear cargo door, disconnecting the battery to reset the system, or using an alternative method to secure the cargo area until the issue is resolved.

9. How long does it usually take to repair OBDII code B2242?

- The repair time for OBDII code B2242 can vary depending on the exact cause of the issue and the availability of replacement parts. In some cases, it can be resolved within a few hours, while more complex issues may take longer.

10. Can extreme weather conditions affect OBDII code B2242?

- Extreme weather conditions, such as heavy rain or extreme cold, can potentially worsen the symptoms related to code B2242 if there are existing issues with the wiring or electrical components in the rear cargo door unlock circuit.