B1604 - Lamp Anti-Theft Indicator Circuit Open

Repair Importance Level: 3/3
Repair Difficulty Level: 3/3    What is this?
Table of contents

B1604 Possible Causes

  • Faulty Lamp Anti-Theft Indicator
  • Lamp Anti-Theft Indicator harness is open or shorted
  • Lamp Anti-Theft Indicator circuit poor electrical connection
  • Faulty Body Control Module (BCM)

How do I fix code B1604

Check the "Possible Causes" listed above. Visually inspect the related wiring harness and connectors. Check for damaged components and look for broken, bent, pushed out, or corroded connector's pins.

Cost of diagnosing the B1604 code

Labor: 1.0

The cost of diagnosing the B1604 code is 1.0 hour of labor. The auto repair labor rates vary by location, your vehicle's make and model, and even your engine type. Most auto repairs shops charge between $75 and $150 per hour.

Possible Symptoms

  • Engine Light ON (or Service Engine Soon Warning Light)

B1604 Description

The Body Control Module (BCM) monitors the Lamp Anti-Theft Indicator. The BCM sets the OBDII code when the Lamp Anti-Theft Indicator is not to factory specifications.
OBDII Code B1604 - Lamp Anti-Theft Indicator Circuit Open - AutoCodes.com

B1604 More Information

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Information for specific makes

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