B1604 - Lamp Anti-Theft Indicator Circuit Open

Repair Importance Level: 3/3
Repair Difficulty Level: 3/3  What does this mean?

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 widely across the country, and even within the same city. Most auto repairs shops charge between $75 and $150 per hour.

B1604 Possible Symptoms

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

B1604 Meaning

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 - Engine-Codes.com

B1604 More Information

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B1604 Information for specific makes

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