OBD Guide
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B2242

Rear Cargo Door Unlock Circuit Open

B2242 is an OBD-II diagnostic trouble code meaning: Rear Cargo Door Unlock Circuit Open. Common causes: broken wires in the harness, unlock solenoid malfunction. Estimated repair cost: $33–111.

Severity
⚠️ Medium
Can you drive?
Limited driving only, diagnose soon
Approx. repair cost
$33–111 (est.)

Symptoms

  • Rear cargo door won't unlock
  • Door unlock button does not work
  • The central locking indicator is flashing

Causes

  • Broken wires in the harness
  • Unlock solenoid malfunction
  • Oxidation of contacts in connectors
  • Body Control Module (BCM) Problems

How to Fix

  1. Check the integrity of the wiring harness
  2. Check the resistance of the unlocking solenoid
  3. Clean contacts in connectors
  4. Check power and ground circuit
  5. Replace solenoid or BCM if necessary

Related codes

B2240B2241B2243

FAQ

What does the B2242 code mean?

B2242 is an OBD-II diagnostic trouble code that indicates: Rear Cargo Door Unlock Circuit Open

What causes a B2242 error code?

The most common causes of B2242 include: Broken wires in the harness; Unlock solenoid malfunction; Oxidation of contacts in connectors; Body Control Module (BCM) Problems.

How do I fix a B2242 diagnostic trouble code?

To fix B2242: Check the integrity of the wiring harness. Check the resistance of the unlocking solenoid. Clean contacts in connectors. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with B2242?

Limited driving only, diagnose soon

How much does it cost to fix B2242?

The estimated repair cost for B2242 is $33–111. Actual cost depends on your vehicle, location, and labor rates.

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See also: Russian version · NationStat