OBD Guide

B1606

Lamp Anti-Theft Indicator Circuit Short To Ground

B1606 is an OBD-II diagnostic trouble code meaning: Lamp Anti-Theft Indicator Circuit Short To Ground. Common causes: wiring harness damage, malfunction of the anti-theft system indicator. Estimated repair cost: $56–167.

Severity
⚠️ Medium
Can you drive?
Limited driving only, diagnose soon
Approx. repair cost
$56–167 (est.)

Symptoms

  • Blinking or missing anti-theft indicator
  • Problems starting the engine
  • Activation of the anti-theft system for no reason

Causes

  • Wiring harness damage
  • Malfunction of the anti-theft system indicator
  • Problems with the anti-theft system control unit
  • Short circuit to ground in the circuit

How to Fix

  1. Visually inspect the wiring harness for damage
  2. Checking the anti-theft indicator
  3. Diagnostics of the anti-theft system control unit
  4. Repair or replace damaged components

Related codes

FAQ

What does the B1606 code mean?

B1606 is an OBD-II diagnostic trouble code that indicates: Lamp Anti-Theft Indicator Circuit Short To Ground

What causes a B1606 error code?

The most common causes of B1606 include: Wiring harness damage; Malfunction of the anti-theft system indicator; Problems with the anti-theft system control unit; Short circuit to ground in the circuit.

How do I fix a B1606 diagnostic trouble code?

To fix B1606: Visually inspect the wiring harness for damage. Checking the anti-theft indicator. Diagnostics of the anti-theft system control unit. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with B1606?

Limited driving only, diagnose soon

How much does it cost to fix B1606?

The estimated repair cost for B1606 is $56–167. Actual cost depends on your vehicle, location, and labor rates.

See also: Russian version · NationStat