OBD Guide
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B2873

Left Reverse Lamp 2 Control Circuit Short

B2873 is an OBD-II diagnostic trouble code meaning: Left Reverse Lamp 2 Control Circuit Short. Common causes: wiring harness damage, reverse lamp malfunction. Estimated repair cost: $6–33.

Severity
⚠️ Medium
Can you drive?
Limited driving only, diagnose soon
Approx. repair cost
$6–33 (est.)

Symptoms

  • Left reverse lamp does not work
  • Reverse lamp flashing
  • Error message on the dashboard

Causes

  • Wiring harness damage
  • Reverse lamp malfunction
  • Short circuit in the circuit
  • Problems with the control unit

How to Fix

  1. Check the integrity of the wiring harness
  2. Check the reverse lamp for malfunction
  3. Check the circuit for short circuit
  4. If necessary, replace the lamp or wiring
  5. Check the control unit for errors

Related codes

B2872B2874B2875

FAQ

What does the B2873 code mean?

B2873 is an OBD-II diagnostic trouble code that indicates: Left Reverse Lamp 2 Control Circuit Short

What causes a B2873 error code?

The most common causes of B2873 include: Wiring harness damage; Reverse lamp malfunction; Short circuit in the circuit; Problems with the control unit.

How do I fix a B2873 diagnostic trouble code?

To fix B2873: Check the integrity of the wiring harness. Check the reverse lamp for malfunction. Check the circuit for short circuit. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with B2873?

Limited driving only, diagnose soon

How much does it cost to fix B2873?

The estimated repair cost for B2873 is $6–33. Actual cost depends on your vehicle, location, and labor rates.

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See also: Russian version · NationStat