OBD Guide
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B2552

Liftgate/Trunk Vbatt 2 Circuit Open

B2552 is an OBD-II diagnostic trouble code meaning: Liftgate/Trunk Vbatt 2 Circuit Open. Common causes: broken wire in the harness, contact corrosion. Estimated repair cost: $22–89.

Severity
⚠️ Medium
Can you drive?
Yes, but get it checked soon
Approx. repair cost
$22–89 (est.)

Symptoms

  • The taillight or power trunk does not work
  • Problems with the rear door central locking
  • The malfunction indicator on the instrument panel lights up

Causes

  • Broken wire in the harness
  • Contact corrosion
  • Faulty relay
  • Body Control Module (BCM) Problems

How to Fix

  1. Check the integrity of the wiring harness in the trunk area
  2. Inspect contacts for corrosion
  3. Test the circuit with a multimeter
  4. Check relays and fuses
  5. Scan the BCM for errors

Related codes

B2550B2551B2553

FAQ

What does the B2552 code mean?

B2552 is an OBD-II diagnostic trouble code that indicates: Liftgate/Trunk Vbatt 2 Circuit Open

What causes a B2552 error code?

The most common causes of B2552 include: Broken wire in the harness; Contact corrosion; Faulty relay; Body Control Module (BCM) Problems.

How do I fix a B2552 diagnostic trouble code?

To fix B2552: Check the integrity of the wiring harness in the trunk area. Inspect contacts for corrosion. Test the circuit with a multimeter. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with B2552?

Yes, but get it checked soon

How much does it cost to fix B2552?

The estimated repair cost for B2552 is $22–89. Actual cost depends on your vehicle, location, and labor rates.

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See also: Russian version · NationStat