OBD Guide
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B16AB

Trunk Lamp Control Circuit Short

B16AB is an OBD-II diagnostic trouble code meaning: Trunk Lamp Control Circuit Short. Common causes: short circuit in wiring harness, trunk lamp malfunction. Estimated repair cost: $11–56.

Severity
⚠️ Medium
Can you drive?
Limited driving only, diagnose soon
Approx. repair cost
$11–56 (est.)

Symptoms

  • Trunk light does not work
  • Trunk light flashing
  • Fuse blown
  • Burnt smell from wiring

Causes

  • Short circuit in wiring harness
  • Trunk lamp malfunction
  • Damaged lamp socket contacts
  • Problems in the control unit
  • Contact corrosion

How to Fix

  1. Check the trunk lamp circuit fuse
  2. Inspect the wiring harness for damage
  3. Check the lamp and socket for short circuit
  4. Test the circuit with a multimeter
  5. Replace damaged wires or components as necessary

Related codes

B16AAB16ACB1620

FAQ

What does the B16AB code mean?

B16AB is an OBD-II diagnostic trouble code that indicates: Trunk Lamp Control Circuit Short

What causes a B16AB error code?

The most common causes of B16AB include: Short circuit in wiring harness; Trunk lamp malfunction; Damaged lamp socket contacts; Problems in the control unit.

How do I fix a B16AB diagnostic trouble code?

To fix B16AB: Check the trunk lamp circuit fuse. Inspect the wiring harness for damage. Check the lamp and socket for short circuit. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with B16AB?

Limited driving only, diagnose soon

How much does it cost to fix B16AB?

The estimated repair cost for B16AB is $11–56. Actual cost depends on your vehicle, location, and labor rates.

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See also: Russian version · NationStat