Engine-Codes - Generic - B1556

B1556 Code - Ignition Run/Start Circuit Open

- Code Popularity: 6,999 Views
- Repair Importance Level: 3/3
- Repair Difficulty Level: 3/3
Table of contents

What are the Possible Causes of the Code B1556?

  • Faulty Ignition Switch
  • Ignition Switch harness is open or shorted
  • Ignition Switch circuit poor electrical connection
  • Faulty Body Control Module (BCM)

How to Fix the B1556 Code?

Start by checking 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.

What is the Cost to Diagnose the Code B1556?

Labor: 1.0

The cost to diagnose the B1556 code is 1.0 hour of labor. The auto repair's diagnosis time and labor rates vary by location, vehicle's make and model, and even your engine type. Most auto repair shops charge between $75 and $150 per hour.

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What are Code B1556 Possible Symptoms?

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

What Does the B1556 Code Mean?

The Body Control Module (BCM) monitors the Ignition Switch. The BCM sets the OBDII code when the Ignition Switch is not to factory specifications.

B1556 Code - Ignition Run/Start Circuit Open

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Code B1556 Information for Specific Makes

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